Best Rectangular Water Bottles in 2026

DESIGNED TO FIT IN YOUR BAG: Unique slim book design to fit in any bag and even within your pocket, you can use the extra space for something else. You will Love it!

BPA FREE & HIGH QUALITY: Made of high-quality Tritan plastic, double and BPA free, ABS lid with inner food-grade silicone pad, all materials including packaging are 100% recyclable.

COMFORTABLE USING EXPERIENCE: The outdoor water bottle covered with soft TPU plastic for protection and a unique grip. Enhances feel quality and brings you a great feel.

BUILT FOR GYM LIFE: No more wrestling with your keys, or leaving your phone on the dirty gym floor. The H2O Capsule is the only sports water bottle with a protective sleeve that doubles as handy storage! Hold your phone, keys and cards while you work out and look good doing it.

HALF GALLON HYDRATION YOUR WAY: The rectangular 2.2L / 74 oz jug holds a half gallon of water, and is marked with oz and ml to track your hydration. The BPA / BPS free reusable flask is supplied with a covered straw lid and a chug lid for easy drinking on the move.

STORAGE SLEEVE HOLDS ANY PHONE: A patent-pending removable neoprene protective sleeve has an easy access pocket to carry a cell phone of any size, air pods, lipstick and more, and an adjustable shoulder sling strap is ideal for walking, hiking and travel!

BUILT FOR GYM LIFE: No more wrestling with your keys, or leaving your phone on the dirty gym floor. The H2O Capsule is the only sports water bottle with a protective sleeve that doubles as handy storage! Hold your phone, keys and cards while you work out and look good doing it.

HALF GALLON HYDRATION YOUR WAY: The rectangular 2.2L / 74 oz jug holds a half gallon of water, and is marked with oz and ml to track your hydration. The BPA / BPS free reusable flask is supplied with a covered straw lid and a chug lid for easy drinking on the move.

STORAGE SLEEVE HOLDS ANY PHONE: A patent-pending removable neoprene protective sleeve has an easy access pocket to carry a cell phone of any size, air pods, lipstick and more, and an adjustable shoulder sling strap is ideal for walking, hiking and travel!

32 oz Plastic Bottles with Caps: Our PET smoothie prep containers are 100% BPA-free. Unlike glass, our bottle is light-weight, shatter-proof, and freezer safe. We recommend throwing out our disposable bottles after use. If you plan to reuse our beverage containers, hand-wash well with warm water, soap, and a sponge brush. Our small bottles for drinks are not dishwasher safe.

Tamper-Proof Top: Our 38mm lids have a security ring so you'll know if your drinking bottle with lid has been opened. To ensure our drink container is sealed, push down the cap until you hear an audible "click". Then, tightly screw on clockwise.

Versatile: Our storage bottles for liquids are the perfect size for keeping your liquids fresh in the fridge. Our clear juice bottles are ideal for meal prep, lunch, orange and fruit juices, green smoothies, milk, soda, liquor, and other liquids.

Constructed using high density polyethylene (HDPE)

【 Safety and Environmental Protection Materials】 Leaflai oil bottle is made of lead-free glass and is 100% healthy and environmentally friendly. The bottle body is transparent, and you can easily distinguish the seasoning stored in the bottle

【 Perfect Size 】 The size of the olive oil bottle is 5.5 * 5.5 * 31cm, with a capacity of 500ml/17 oz. This size is suitable for both men and women. In addition, the rectangular oil bottle is longer and more space saving. You can see it at a glance when placed on the table, and of course, it is also very suitable for outdoor picnics !

【 Practical Stainless Steel Spout】The olive oil bottle has 2 different stainless steel nozzles with a sealing cap and cap, making it perfect for bottles and perfect for dust prevention. Both men and women can effectively control the flow rate of olive oil to ensure that it does not leak. Perfect for preparing edible oils, seasonings, and vinegar. You can replace it as needed

PORTABLE DESIGN: Collapsible Silicone Water Bottle with a hand ring for you to carry around.

SAFE&ECO-FRIENDLY MATERIALS:E-senior Water Bottles are made of 100% food-grade silicone,LFGB,SGS approved,free of BPA and other harmful leaching chemicals.

VERSATILE:Not only for travel, but for everyday activities such as hiking, camping,commuting,exercise,road trips,outdoor events,and school.

Large Capacity: 900ml/30oz. Come with 3pcs kawaii sticker for each water bottle.

Material: Food grade PC Water bottle+Silicone Straw.

Come with lid and straw. You can easily hide the straw and keep the lid tight. 360° seal leak-proof.

Made in the USA: Whether you use them for commercial or personal use, our 128 ounce plastic jugs will help keep liquids sealed and protected. Made of premium quality PVC, our oblong jugs are food grade and impact/chemical resistant. They’re recyclable too. The clear bottles and leak proof caps make storing and identifying the contents easy! Use our clear rectangular bottles for liquid laundry detergent, fabric softener, liquid soap, dish detergent, ice tea, homemade sauce, buttermilk and more!

Easy Grip Handle: Our gallon container is designed with a handle to make carrying and pouring easy and efficient. Our jug is great for storing in campers, RV’s, cars and/or car trunks, and more! The rectangular shape also makes our plastic storage jugs easy to store on shelfs, helping you save storage space. Perfect for commercial uses in the gardening and automotive industries for drain cleaner, laundry detergent, air conditioning coolant or power steering fluid.

Leak-Proof Caps: Our black 89mm 89-400 caps are made with a ribbed sided design to make unscrewing and securing the lid easy. Our caps also include a F217 PE foamed liner, ensuring that our caps are leak-proof and spill resistant. The tight seal from our caps also locks in odors from our harsh chemicals, bleach, cleaners, epoxy resin, paint, alcohol, wine, and more.

WIDE APPLICATION: It can store sodas, fruit infusions, juice, tea, refreshments, salad dressing, sauces, cold soups, and so on.Note: The water bottle can not be filled with carbonated beverages that produce bubbles, and Hot water, or easily cracked.

EASY TO CARRY: Easy to carry. It's very suitable for your schoolbag, backpacks, briefcase, handbag etc.

LEAKPROOF: Featuring a leak proof lid, you' ll never have to worry about any accidents, spills or leaks that would soak through the contents of your bag. PS: Only one of the extra caps came with the rubber seal inside that prevents leaking. Please check the rubber of cap, before use different caps

⭐ A5 420ml capacity, light and elegant, transparent style, good air tightness.

⭐ Reusable ultra-thin water bottle, recycled BPA-free plastic, no odor, safe.

⭐ The water bottle can be carried around, it takes up only a small space and is convenient to use at any time.

【Food Grade Silicone Water Bottle】This 20oz foldable water bottle is made of food-grade silicone material, which is safe, eco-friendly, BPA free to ensure safe drinking. It is suitable for hot drinks up to 248 ° F (120 ° C) and cold drinks down to -58 ° F (-50 ° C).

【Leak-proof & Foldable】The silicone water bottle comes with a tightly sealed lid design to provide excellent leak-proof performance without worrying about scalding your hands due to water leakage. The foldable design makes it easy to store in a backpack or tote without taking up much space.

【Portable & Durable】This travel water bottle is lightweight and compact for easy carrying and storage. The soft silicone collapsible water bottle is drop-resistant, wear-resistant, durable, ensuring you stay hydrated in the journey or activity, which can be reused for a long time.

Design: The large water bottle is designed only to encourage people to maintain 64 ounces water intake, record the amount of water you drink, and ensure your health and fitness goals.

Material: PET material, BPA-free food-grade material, large capacity, double handle, sealed without leakage, easy to clean, large diameter cleaning, small diameter direct drinking.

Daily use: fitness, travel, home, work are perfect to bring this mug. Wherever you go, bring it will remind you should always drink water, only for health.

【Best gift】: Reusable water bottle is perfect for today's busy but healthy lifestyle. Also an excellent present for your family, friends, lover, etc. Drink with style and enjoy a healthy life.

water bottle designed to fit stylishly into handbags, backpacks, laptop bags and even within your pocket; designed to fit where other bottles don’t. Max temperature: 212F (100 degrees celsius)

【Perfect carry】: This is a small kettle that is specially carried around, flat square design, like a book, lightweight, slim and sturdy, very suitable for your schoolbag, backpacks, briefcase, handbag etc.

Drink safe by replacing single-use plastic bottle with Reusable water bottle made from Tritan plastic “the safest plastic in the world”. Not only is Tritan BPA-free, but it is also free from BPS (bisphenol S) and ALL other bisphenols.

Slip-free grip made of soft TPU plastic that give you the feel of luxury leather touch and provides protection to the edges.

Leak free guarantee with ABS lid and inner food-grade silicone pad for endless use and worry free to keep close to your valuable materials.

Perfect Capacity: beautiful shape, bring good sense of use for you, you can enjoy your coffee, tea, wine, juice quite nicely. Suitable for use indoor&outdoor, like home, parties, travel and office time.

Eco Friendly:Food grade drinking material,it means totally Eco friendly and safe to your health.Reusable travel mug,environmental friendly.Keep drinks cold or hot for hours.Safe to drink and touch.

Superior Finished:Polished appearance, sturdy and durable quality,carefully designed,Perfect for indoor or outdoor use.This wildly popular bottle can be used at home, work, in your car, at the beach.

*WIDE APPLICATION: It can store sodas, fruit infusions, juice, tea, refreshments, salad dressing, sauces, cold soups, baby food and travel essentials such as shampoo and conditioner and so on.

* High quality material: made of high quality AS+PS plastic, temperature resistant to -20 ~ 120 degrees. Reusable and safe to use. A5 paper size, 420ml.

*LEAKPROOF: Featuring a Silicone sealed waterproof water bottle cap, you' ll never have to worry about any spills or leaks. PS: We provide two waterproof covers in different colors, which you can change according to your mood.

The M-Tac folding water bottle 17 OZ is the perfect compact and reusable choice once you travel, run, or do other outdoor activities. Get a refreshing drink anywhere and easily fold the bottle after you finish it, so it saves space in your backpack.

Durable & Safe Material - The collapsible water flask body is made of BPA-free food-grade TPU material that provides toughness, wear resistance, and no plastic odor. This material is suitable for both cold and warm drinks.

Easy to Drink & Pour - The soft squeeze flask has a wide mouth for handy pouring and cleaning it. Easy to drink on the go owing to the silicone mouthpiece. Just press it a bit with your teeth and drink.

【Bottle Size】- 13oz/380ml. Included -- Water Bottle, Carry-On Strap, and Leakproof Lid

【Design】- Slim Design to fit in any bags or backpacks - Adjustable strap, Leak-proof Lid

【Materials】- 100% BPA Free with unscented and premium quality TRITAN materials. Safe for adults and children - Also Very Easy to Clean

LENGTH 11 3/4"

WIDTH 9 3/4"

HEIGHT 14 3/4"

【Function】 4.1 x 6.4in. This 380ml portable water bottle can be directly put in your handbag to enjoy cold or warm water at any time

【Easy to Use】 Transparent water bottle for observing the remaining water, and the removeable lanyard for carrying

【Material】 Made of premium plastic, our handbag water bottle is safe, sturdy and aging resistant. Leak proof silicone ensures complete sealing without leakage

Portable Water Bottle- The a5 memobottle is meant to be portable and easy to carry/fit into small bags or pouches.

Clear/See Through- With the design of the water bottle, you can see the contents of your drink making it easy to see if you need to refill your bottle.

Lightweight- The 350ml bottle is able to be carried around in your hand, bag, pocket with no problem at all while also being able to fill your needs.

Suitable for taking out with you and not taking up too much space.

The flat water bottle is made of safe plastic and with an ample capacity of 450ml its the perfect and sleek solution to keeping you hydrated.

Stylish and simple design makes it different from other water bottle.

Perfect size for Daily for Fitness, Gym and Outdoor Sports

Perfect for travel

Perfect Outdoor recreation Accessory

[Fits in your Bag] - Simplistic slim and thin design to fit in your purse, backpack, office bag, briefcase, gym bag or school bag, enabling you to stay hydrated throughout your busy day. Small a5 size portable travel water bottle.

[Multi-purpose and Stylish] - Flat water bottle equipped with a cool faux leather sleeve for easy carry, extra protection and stylish for any occasion | Great as a gift | Flat bottom design enabling this clear water bottle to free-stand | Aesthetic water bottles suitable for all ages.

[Cruelty-Free] - This flat water bottle was created from top-to-bottom, without harming or killing an animal.