Best Expandable Lunch Box Coolers in 2026

THERMAL INSULATED: Lining with Eco-friendly EVA material, interior padded with 5mm thicken insulation pearl foam, protect with 300D polyester & composite tarpaulin outer fabric, Tiblue lunch box is designed with triple Insulated to keep food stay cold/warm/fresh for hours, perfect for on-the-go meals, picnics, road trips, lunch at the office, the school, the beach and more!

LEAKPROOF & WATERPROOF: Extra thick soft EVA liner and the heat-welded seams to guard against leaks and easy to clean. If sauce spills inside, just wipe it off with wet cloth or napkins. Premium composite waterproof fabric is resistant to dirty and abrasion, protecting your lunch and items inside from occasional splatters or light rain.

SPACIOUS & MULTI COMPARTMENTS: Tiblue lunch bag (10 x 6.7 x 8 inch) is designed for maximum storage efficiency, 1 main zipped compartment, 1 front zippered pocket, 1 back pocket, 2 mesh pockets and 1 internal mesh pocket, not only provides you with plenty of space to pack all of your food and snacks you need whole day, as well as pack your keys, cards, phone chargers, napkins, water bottles, utensils, gum or other small stuffs you daily needs.

【Large-capacity double- layer lunch bag】It measures 9.5" x 8.0" x 10.5". Expanded size: 11" x 8.0" x 10.5". Different foods can be placed on the upper and lower layers to prevent food from being piled up and squeezed. The large-capacity lunch bag can easily hold all your beer, snacks, drinks, sandwiches, fruits, lunch boxes.

【Multi-functional】 You can take it to picnics on weekends, take lunch and snacks to the office, take cold beer to the beaches, mothers can also use it as a mommy bag to store milk and medicines, and it can also be used as a casual tote bag. Suitable for both men, women and Kids

【Leak-proof & Insulation】Thickened PEVA liner without splicing to prevent leakage. The inner liner is made of thermal insulation material, which can keep the food warm or cold, and can also place ice cubes.

Wipe-able lining for easy spot cleaning with soap and water

Insulated cooler material to keep your lunch and drink cold

Expandable mesh pocket on back for easy snack storage

MACHINE WASHABLE: This mid sized, stretchy neoprene lunch tote is made from machine washable neoprene; No need to worry about accidents and spills inside or outside your tote because you can easily machine wash it on cold and let it air dry

NEOPRENE INSULATING MATERIAL: Keeps food cold (or warm) for up to 4 hours, depending on the content and outside temperature; The cooler the contents the longer they will stay cold

DURABLE & REUSABLE: This lunch bag is reusable and extremely durable, stain, tear and water resistant while being lightweight so it doesn’t add to your load

🍴 EXPANDABLE & LARGER CAPACITY & LIGHTWEIGHT - The lunch bag Size :9.4 ×8.0×10.5 inch; After expand size is 11 ×8.0×10.5 inch. Spacious lunch tote can easily fit all your snacks, drinks, sandwiches, fruits, or vegetables, you can take it to your office, or pack a healthy snack for your family or have a delightful weekend picnic.

🍴 Thickened Inner & Double Insulation - It is leakproof, inside soft PEVA liner with heat-welded seams prevent flexible liner leaks, also easy to wipe clean. The lining is made of insulating material, which can keep your food hot or cold. The inner lining of the front pocket is also made of EVA, so you can put the used tableware into it without worrying about cleaning. The portable lunch tote packs your salad, soups, sandwiches, fruits which brings nutrition.

🍴 Multi-Functional - You can put lunchboxes in the main compartment to keep warm or fresh. 1 side net pockets can put the bottle, the other side is a napkin pocket. The front has 2 zipper pockets and one velcro pocket can put keys, wallet, phone, or other small things. The back has 1 velcro pocket can put other things. The inside of the main front zipper pocket is made of PEVA which is easy to clean. Besides, the main compartment has two-part, the top compartment also has one mesh bag for you.

【Large Capacity with Expandable Design】- Maximum size is 16L, fits 20 Cans of soda(350ml). Dual Compartments for different uses, the top compartment of the insulated lunch bag is expandable, increasing the capacity by 4L. Normal size with 12L, handy to use for work, outing, construction, picnic, camping, day trips, and so on.

【Water-Resistant & Leakproof】- The outer fabric is made from durable water-resistant material, protecting your lunch and stuff inside from little water or rain. Compared with other cheap lunch bags, our lunchbox can bear weight up to 10kg! Thickened lining and the one-peace heat-pressed process ensure against leaks and are easy to clean. So it’s suitable for drivers, soldiers, construction workers, athletes, and so on.

【Great Insulation Performance】- 6mm thick insulation liner helps keep your food cold or warm at the right temperature for up to 8 hours. Foods that need to be kept separate from wet and dry can be stored in the top and bottom compartments.

Large Capacity:2 Insulated compartment for Different uses,you can separate hot and cold food/drink/beer.The upper compartment of the reusable lunch bag is expandable.After opening,it can increase the height by 1.6 inches.In addition, there are mesh pockets and zipper pockets , which can fully meet your needs.

Waterproof and Leakproof:This Lunch Bag Tote is made of 600D polyester with PEVA lining.Water-resistant and durable fabric keep the lunch bag clean and ensure maximum durability.The one-piece PEVA lining in the bottom compartment ensures superior leak-proof performance.

Long-term Insulation:The insulated Cooler Bag with 5mm thermal insulation foam can keep warm/cold for at long time.Foods that need heat preservation and cold preservation can be stored separately from the upper and bottom compartment.

【Excellent Thermal Insulation】This cooler bag is very suitable for outdoor dining. The insulated lunch bag is made of four layers of premium insulation material to provide excellent cold insulation and heat preservation up to 6 hours, even effect 8 hours with the assistance of ice packs or insulation box. Perfect for carrying food for work or long periods of outdoor activities.

【Large Capacity & Multi-Function】JOYHILL large adult lunch box sized in 8.3" x 11" x 11.8" (L*W*H) ,18L capacity with an easy accessible wide opening. 5L upper layer for a big lunch box or snacks; 13L bottom layer is roomy for 2-3 large size lunch boxes, 9 cans of drinks and some fruits. 4 outer multi-function pockets are for tissue, cutlery, phones or small items. Expandable design can save space when not in use. Various colors add options for outdoor work, camping, picnic, beach, etc.

【Durable and 100% Leak-Proof】This lunch bag for men has been upgraded with fabrics and accessories. The outer wear / water resistant Oxford fabric is very durable. Customized YKK zipper is smooth to open and close. Both shoulder strap and handle are double stitched with a load-bearing of 55BL. Customized aluminum foil lining and the heat-pressed seamless craft ensure 100% leakproof.

Expandable Lunch Box Bags with Pockets ---- It is a thin lunch bag when not expand, zip off to convert it into a large lunch box and you will get double space. Exterior measuring 8"*4"*10" (L*W*H) and expands to 8"*6.7"*10" (L*W*H), fits up to 9 cans

Insulated Lunch Cooler Totes ---- The thick thermal insulation provides superb cooling performance, keeps food and drinks cold for hours; Easy to clean, great to be used as a school lunch box or a work lunch bag

Leakproof When Carried Flatly ---- Inside heat-welded seams prevent flexible liner leaks, recommend carrying it flatly when you need to prevent leaks. If carried upright, it will leak as the zipper part is not leakproof

EXPANDABLE DESIGN - Regular size: 10.5" x 8.3" x 5" (L x W x H) can be expanded to 10.5" x 8.3" x 7.2" (L x W x H), fits up to 12 cans. Roomy space can storage all your need for lunch.

WELL INSULATED - The thick padding and thermal insulation prevent outer warm or cold air penetrating into the lunch bag, keeps food and drinks at constant temperature for hours.

LEAKPROOF WHEN CARRIED FLAT - The thermal insulation is leakproof on account of adapting heat-melted seam technology, but notice to carry the lunch bag flat so that it can be leakproof, otherwise, the liquid will outflow from the zipper strap.

Leakproof and Durable: The exterior of Maelstrom lunch box is made of waterproof nylon fabric, which is lightweight and wear-resistant. Maelstrom lunch bag for men/women uses the thickened PEVA insulating line and seamless ultrasonic welding technology to prevent from leakage. The PEVA liner of Maelstrom men’s/women’s lunch box liner is smooth and easy to clean. This durable Maelstrom adult lunch bag could be used in various situation such as office,home, park and so on.

Expandable & Foldable: With a reinforced zipper, top compartment of Maelstrom expandable lunch box can be easily expanded with a simple zipper action.The original measure is 12.6*9.8*9.8 inch (L*W*H). And the expandable measure could be 12.6*9.8*11.8 inch (L*W*H),storing 23L.The main compartment can store drinks, beer, fruits, ice packs, etc., and you can expand the upper layer to place some snack to meet your different lunch meal needs.

Unique Design: Maelstrom lunch cooler bag has the reinforced bone to make the bag stand upright, so you don’t worry this loncheras para hombres will be wrinkled. This loncheras para mujer also use the high-quality SBS zipper to extend the life of reusable lunch box.This double-deck adult lunch bag could keep your food cold or warm for up to 16 hours.

Tactical Style with Webbing- Personalized design of the tactical lunch box with stick patch, easy to personalize the lunch bag in our style! 4 Straps of MOLLE webbing at the back of military lunch bag, designed for conveniently attaching storage carabiners, keys, sunglasses, and so on.

Large Capacity: Maximum size 15L, fit 20 cans soda(350ml). Suit for most bento boxes and lunch containers. 2 insulated compartments for different uses, the upper compartment of the tough lunch bag is expandable, increasing the height by 3.66 inches. Normal size with 10L, handy to use for small trip, party, travel, beach, picnic, hiking, camping.

High Quality: Military quality with solid stitching, the lunch bag made from 900D Oxford fabric with water-resistant and wear-resistant. Perfect gifts for men, dad, husband, or boyfriend. And it is suitable for drivers, soldiers, construction workers, and so on.

Large Capacity with Dual Compartment- Maximum size is 16L, fits 24 Cans of soda(350ml). 2 Insulated compartments for different uses, the top compartment of the insulated lunch bag is expandable, increasing the capacity by 4L. Normal size with 12L, handy to use for work, small trips, beaching, picnic, hiking, camping, and so on.

Tactical Style with Webbing Strap- Personalized design of the tactical lunch box with stick patch, easy to personalize the lunch bag in our style! 4 Straps of tactical webbing at the back of military lunch bag, designed for conveniently attaching storage carabiners, keys, sunglasses, and so on.

Excellent Insulation Performance- 6mm thick insulation foam and thick food-grade Aluminum liner help keep your food cold/fresh/warm for up to 8 hours. Foods that need to be kept separate from wet and dry can be stored in the top and main compartment.

RECYCLED LIGHTEN UP -- The same Lighten Up fabric that you know & love is now made from recycled bottles - this sustainable water-repellent fabric is lightweight & durable, yet soft to the touch

INSULATION -- lined with food safe PEVA interior & an elastic slip pocket on top flap, allowing your food to keep a steady temperature until it's time to eat

EXPANDABLE -- This amazing cooler can be inzipped to expand at the center to allow for an additional 2 inches in height

【Perfect Design】:Don't sacrifice an inch inside your lunch bag. This bag is designed with a max-efficient, expandable side water bottle holder, inside mesh pockets, and slim back pocket to leave you with plenty room to pack all of your food and snacks for the entire day.This lunch bag has a front zippered compartment and a small side pocket, you can use it for carrying drinks, your utensils, napkins, keys, small change, cards and other small stuffs.

Suitable Size: The exact size (8.7x 4.5x 10.2in / 22 x 11x 26cm). Spacious enough to fit 6 cans of soda, or one person’s lunch and more.(warning "this product is not suitable for children under 12 years old")

【Lightweight &Portable】:Be unstoppable with a highly functional lunch box that comes equipped with a detachable buckle handle which will always look great tied to your backpack or along side a briefcase. The lunch bag is compact enough to fit inside a backpack, gym bag, or travel bag. Comes with a detachable buckle handle which will be easy to tied to your backpack , briefcase to make your life more comfortable.

100% Polyester, 9.5"Length x 6"Wide x 3"High

Food grade with Aluminum lining with foam

Handle and could easily put into the bag

【Large Capacity&Multi-Pocket】The main pocket of this mens lunch box is designed a dual compartment structure to meet different use, which help you to separate hot and cold food.The upper compartment is expandable. After opening,it can increase the heigh t by 2.95inches(7.5cm). Also, with 2 side pockets, 2 front pockets, one back pocket and one inner net pocket, these 6 pockets increase the practicality for this large lunch box.

【Excellent Insulation】Triple Insulated lunch bag: the inner is premium aluminium lining,the middle is padded with thicken insulation pearl foam, and the outside is 900D oxford fabric. Keeping the thermal lunch box to make food stay cold,warm,fresh,healthy and tasty.

【Water-Resist & Leakproof】The exterior of mens lunch bag is constructed out of 900D water-resistant dirt-proof oxford fabric, protecting your lunch and items inside from occasional light rain or dust. Customized leakproof aluminum lining, which adopted the hot pressing process, this lunch box men is definately leakproof and easy to clean.

EXPANDABLE DUAL COMPARTMENT - Large capacity lunch box for men has two compartments. The upper compartment (4.7L, 11.4X9.8X2.6in) is designed for storing fruits or bread and has a mesh pocket. The bottom (15L, 11.4X9.8X8.3in) is for food or drinks. Both of them can keep warm/cold. Also, the large lunch box has many pockets, on the sides, in front and back.

LEAKPROOF & INSULATION & LONG-TERM STORAGE - The outside of this black lunch bag is made of water-resistant Oxford fabric. The inside is filled with thickened pearl cotton, which keeps lunch warm or cold. Also, the usage of aluminum lining with the hot pressing process makes the black lunch bag leakproof and clean easily. Just use tissue to wipe the dirty place. The effect of pearl cotton and the aluminum lining is to keep the food maintain the temperature for at least 7 hours.

3 WAYS TO CARRY - Come with a folded work lunch box with strong zippers. If you don’t use the insulated lunch bag, it can be folded flat. Very easy and convenient to store. But if you want to carry it out, there are 3 ways to use it. Use the strap to carry it as a hand bag, cross body bag, or shoulder bag. The shoulder strap is adjustable.

❄Up to 12 Hours of Insulation: This lunch bag contains 5 thermal layers to provide full-day insulation for your food and drinks. The lunch box exterior is made of high-quality Oxford fabric, plus a layer of PVC coating, making the bag extremely durable and water-resistant. The non-toxic interior has 0.2mm PEVA, 210D-liner, and ultra-thick 6mm EPE foam to provide hot or cold insulation and cushioning. These five layers ensure your contents stay cold/warm/fresh for 6-14 hours.

❄Leakproof Liner Technology: The soft, durable BPA-free PEVA liner is melded together with a special non-stitching technology that makes the main compartment completely leakproof and easy to wipe clean. And the bottom of the insulated lunch bag is covered with fully waterproof abrasion-resistant PU material, with four non-slip pads on the bottom that prevent your bag from getting damp or sliding around.

❄Fits 30 Cans + Insulated Bottle Pouch: This lunch bag can store 30 cans with ice packs, or food for the whole family. It has 9 zipper pockets, with mesh and expandable side pockets for versatile storage. The snap-on Tactical MOLLE Water Bottle Pouch is lined with food-grade aluminum foil to keep your bottle cold, with a zipper pocket for your phone and keys. Also, the front of the lunch cooler contains a patriotic USA flag badge, plus a tactical MOLLE strap system for clip-ons.

DUAL COMPARTMENT - Maelstrom lunch bag is a foldable and expandable double-layer insulated bag. Its durable and easy-to-pull dual zipper design is trouble free. The specially designed skeleton structure and the four sides stitched lining keeps the lunch bag standing upright even after being folded flat for a long time. It is a perfect lunch bag for work, school, business trips, and daily travel.

ADVANCED THERMAL EFFICIENCY - Five layer insulation. Exterior surfaces are made of rip-stop nylon fabric plus one layer of waterproof PVC. Interior layers are thicker, reinforced food-grade PEVA materials with seamless ultrasonic welding for 100% leak-proof and tear-resistance. A built-in 5mm EPE foam middle layer and 210D liner add additional insulation, allowing the Maelstrom Foodie Buds to keep food cold/warm until it's time to dig in.

EASY CARRY - The reinforced zipper with an attractive tail rope is not going to get stuck, and is easier to open and close. The webbing and a padded handle are thoroughly stitched together which is tear-proof and comfortable to grasp without strangling your hand. The lunch bag is also equipped with a detachable and adjustable long shoulder strap, giving you two options to comfortably carry the bag.

DOUBLE LAYER LARGE CAPACITY -- Maximum size is 15L, fits 24 cans of cola(330ml). Designed with 2 compartments, which can separate dry and wet. The upper storage space is expandable, increasing the capacity by 4L. 2 mesh side pockets, 2 front pockets, and 1 mesh inner pocket, providing more storage space for you to go out, handy to use for work, outings, construction, picnic, camping, day trips, and so on.

TACTICAL DESIGN -- The design of this tactical lunch bag combines outdoor and tactical elements and is very sturdy. Velcro on the front, you can attach personalized stickers such as the flag Velcro. The webbing strap on the back can for hanging storage carabiners, keys, sunglasses, etc. The adjustable &detachable shoulder strap makes your carrying more comfortable and convenient. Especially suitable for drivers, soldiers, construction workers, athletes, and more.

EXCELLENT INSULATION PERFORMANCE -- Our insulation lunch box is lined with high-quality aluminum foil and filled with a 6mm thick insulation foam inside. With a multi-layer insulation design, it has good keep-warm & cold performance, which ensures the fresh taste and health of food. There are also a variety of colors to choose from, making it the perfect gift for your husband, father, boyfriend, birthday, Christmas, etc.

Insulated & Leakproof: The tactical lunch bag adopts 600D water-repellent polyester, 5mm foam padding, and thick PEVA lining to keep your food and drinks cold/fresh for up to 12h with YOUR ice packs. Includes waterproof PEVA lining and the seamless hot-pressing craft to ensure 100% leakproof.

Double-Layer Lunch Bag: This large lunch bag measures 11.8x8.3x13 inch, 20L. The top layer with a 5L capacity can hold an adult-sized meal prep container and some snacks; the 15L bottom layer easily fits 2-3 adult-sized lunch boxes and drinks. 4 outer multifunctional pockets can store utensils, napkins, umbrellas, phones, and small accessories.

Versatile Lunchbox Bag: Reinforced padded handles and adjustable shoulder strap provide handy and comfortable carrying. Suitable for work , picnic, camping, shopping, beach, or hiking. It also makes a perfect gift for men, dad, husband, or boyfriend.

【Water-Resistant & Leakproof】Upgraded thick water-resistant fabric, protecting your lunch and stuff inside from occasional splatters or rain. Leakproof aluminum lining and heat-pressed seams to guard against leaks, the lining is also easy to clean.

【Double Deck Design】This expandable tactical lunch bag was designed with 2 compartments for providing separation of wet & dry. Upper compartment 6L can be folded and stowed away to save your space when not in use, bottom compartment 16L. Extra 2 sides and 1 front pocket fully meet your daily needs.

【Excellent Insulation】 Lining with premium aluminum material, interior padded with 6mm thicken insulation pearl foam, with heavy duty 900D oxford outer fabric, this tactical lunch cooler bag is designed with five layer fabric to keep food stay cold/warm/fresh for hours.

PLENTY OF ROOM - Nicole Miller insulated double handled lunchbox tote/cooler is a fashionable, fun and stylish way to take your meals on the go. Perfect for work or school the roomy interior holds plenty and keeps your food hot or cold. Large enough to hold sandwiches, leftovers, drinks, salads and even a bottle of dressing. Great accessory for women for bringing your lunch to work or snack stuff to the gym. Helps keep portion control in hand.

INSULATED - Lightweight and easy to carry and store when finished. Exterior and interior are easy to clean. The insulated area has 2 heavy zippered pulls so that you can open wide to take advantage of the bag's great storage. You can even fit a half gallon of milk in this roomy bag. Reinforced side panel keeps bag from opening flat while filling.

MULTIPLE POCKETS - Two exterior slip pockets let you carry napkins and utensils separately so they stay dry. Front zip pocket is handy for small items like keys id or other items that you want to keep safe and secure. Compartments galore.

【Molle Zipper Tissue Side Bag】Struggling for a suitable, convenient and clean room to put your napkin? This tactical lunch bag with a special tissue side bag. Compared with others mesh side pocket, insulating dust more effectively, providing a clean area for tissues! Zipper opening design with molle webbing for avoiding leakage while putting small items. Elastic pocket on right for storing bottles, umbrella, towel.

【20L Double Deck Design】Dual isolated compartments allow you to separate hot and cold food/beverages. Total 20L large capacity easily hold even 3 working meals or 32 cans(330ml)! 6L expandable top layer fits 8 cans, 14L bottom layer fits 24 cans or 3 large lunch boxes with drinks, fruit. Front and back zippered bag keep your finance or utensils safely.

【Excellent Insulation】Tactical lunch box features 4 layers of insulation material helps to keep food warm or cold for 7-8 hours. 8mm extra thickened foam with non-woven fabric under the heavy duty Oxford fabric and non-toxic aluminium foil liner, ensuring its insulation effect better than others, keeping dinks chill or foods fresh, preventing nutrient loss.

1)Material Of Lunch Bags: 300D Ripstop Nylon&5mm EPE Foam& Eco-Friendly PEVA Lining& 5# Nylon Zipper&1inch(Width)Webbing Straps. Ripstop Nylon is durable and fashion looking. Eco-Friendly PEVA lining could keep cold/warm well.

2)Dimension Of Cooler Bags: The Lunch Box bags with expandable design, Regular size: 10.5" x 8.3" x 5" (L x W x H) Expanded size: 10.5" x 8.3" x 7.2" (L x W x H) It will fit for the lunch box or cans well. Adjustable&Detachable Shoulder Straps :52inch(L)X1inch(W)

3)Leak Proof Design: The Inside Of Our Insulate Lunch Tote Bags With Thermal insulation Could meet 100% leakproof.You could use it as fish tank if you need :) Don't worry the liquid spoiled in the bags and diffcult to clean again.Our Insulated lunch bags inside is Easy to clean and dry.

[Unique Feature] This double-layer insulated lunch bag is coming with an icepack and is padded with 4mm EPE foam and wipeable heat-sealed leakproof insulated lining. It can keep meals cool for hours.

[Large Capacity] Double layer compartment lets you separate drinks and meals. Size is W9 1/2"XD6 1/2"XH9", the wide Opening Design makes it easy to pack your lunch and meals.

[Function] This reusable lunch bag is with a front pocket and two expandable mesh pockets on the sides for easy snack or bottle storage. There is additonal zipper mesh pockent on the insdie of lid. These pockets are great for lunch treats, utensils, napkins, can openers, and some other essentials.

Military fans' favorites & Large capacity can hold all your meals! Tactical lunch box for men (10.5 * 7.5 * 13 inches), Separation of wet and dry, upper compartment 4.1L, bottom compartment 11.4L, suitable for all kinds of meal prep containers, bento, or 12 cans of soda (12 Fl. Oz), the sides and front pockets also have enough space for water bottles, tissues, meds, and other stuff, the upper mesh pocket can also hold your utensils.

Extra durable military material! The lunch box outer layer is made of 900D PVC heavy-duty waterproof Oxford cloth, the middle is made of high-quality EPE foam, and thickened aluminum lining with the hot pressing process, which is leak-proof and easy to clean to ensure good heat insulation in any weather and keep food cold, warm and fresh for a long time. You can put the ice packs in the insulation cooler bag to keep the best cold effect.

Very cool-looking and functional design! Classic military style/tactical cooler, includes rear MOLLE webbing for extra storage/attachments, The top of the front pocket is for tapping patches, sturdy zipper with ropes and sealed zipper on the main compartment, reinforced handle, and removable adjustable soft padded shoulder strap, easy to carry, it's also the perfect gift for a man, dad, husband, son or boyfriend!

【Large Capacity】Max size is 744oz(22L), can fit 37 Cans of coke(355ml). The insulated lunch box can be easily expanded to 2 compartments, the top is 7L, and the main is 15L. Extra 4 pockets have enough space for bottles, tissues, and others.

【Leakproof】 With thickened PEVA lining and seamless inner fold technology, the double layer lunch bag prevents leaks and is easy to clean. Furthermore, the lunchbox use upgraded waterproof zippers, and the 600D Oxford cloth exterior, which is water-resistant.

【Unique Tactical Design】With magic tape, paste what you want. The reflective strip design makes it easier to find in the dark and provides a safety reminder. Webbings at the back of the military lunch bag are designed for conveniently attaching storage carabiners, keys, sunglasses, and so on.

WELL INSULATED - Made of durable polyster, thick PE foam padding and PU insulation material can keep your food warm or cold for hours.

LEAKPRROF INTERIOR - Heat-welded technology make the interior of the lunch bag leakproof and easy to clean, never worry about soup or drinks in bento box seeping through your lunch bag and making a mess on the table.

EXPANDABLE SIZE - Regular size: 9.5" x 7" x 8.1" (L x W x H), it's size can be expanded to 9.5" x 7" x 9.6" (L x W x H) when the upper compartment was expanded, bottom compartment can store 6 soda cans (330ml) easily, easily store all you needs for your lunch or picinic.