Best Adjustable Helmet Bags in 2026

【Large Capacity】This motorcycle helmet backpack can hold all kinds of motorcycle helmets, full-face helmets, off-road helmets and more. In addition , it can also hold cycling gloves . For daily trips, office trips, outdoor sports, hiking, you can place a 15.6-inch laptop, iPad, books, basketball, football, rugby, volleyball, 5-6 sets of summer clothes and some small items.

【Safety Design】The reflective strip design of the motorcycle backpack allows you to ride the motorcycle safely at night or in a dimly lit environment, ensuring the safety of the rider's day and night travel.

【Waterproof Design】The helmet backpack is made of waterproof fabric and waterproof zipper, so it will not get wet even if it is used in rainy days.

&#9733Multifunctional Usage&#9733 Fit most of the motorcycle, dirt bike, dual sport and enduro, it can also be used as handbag and shoulderbag for easy movement.

&#9733Practicality And Versatility&#9733 A Classic Look and all the features you could ever want.A good item to store your helmet,wallet, phone, camera, energy drinks, cigarette, etc.Also features a expandable bottom section to enlarge storage space.It's also a decoration to your motorcycle with modern design.

&#9733Durable Material&#9733 Motorcycle tail bag is made of high quality PU leather, water resistant, you can use it in rainy day (But not for heavy rain).

【Premium Material】- This motorcycle tail bag constructed from ABS plastic, 1200D waterproof oxford fabric, and hard durable PU leather, which provides high-quality water resistance and tears resistance.

【Waterproof Desgin】 - Waterproof helmet bag with sealed two-way PU coated, and extra rain cover provided to keep your luggage stay dry even on rainy rides.

【LARGE CAPACITY】- This motorcycle helmet bag can be expanded from 24L to 35L, reinforced Stress Points for extra durability. Spacious and stylish design, it is big enough to store as a luggage bag for all sorts of stuff while riding.

【Large Capacity】 The bag is expandable, up to 38L and can accommodate a helmet. You can use it to store your clothes, wallet, camera, gloves, drinks and other items. It's perfect for when you're planning a day of cycling.

【Practicality and Aesthetics】 This helmet bag is the perfect combination of practical and aesthetic, low-key appearance, light weight, can be used as your motorcycle decoration. The motorcycle backpack fits most of the motorcycle, dirt bike and enduro. It can also be used as a handbag, shoulder bag and backpack when you're not driving a motorcycle.

【Waterproof Design】 Our helmet bag is made of waterproof 600D Oxford fabric, which does not tear easily. When it suddenly rains while you are riding, you don't have to worry about the items of your bag. And we also come with an extra rain cover to give you double protection. In addition, the bag has an elastic net on the outside to hold a wet raincoat.

【Large Capacity】The motorcycle backpack can hold every thing you need for a days ride. Helmet and basketball in it and both fit well with the bag expanded. Big enough to store all sorts of stuff, such as clothes,wallet, phone, camera, energy drinks, cigarette, 14'' laptop. Also features a expandable bottom section to enlarge storage space to 38L. Size: 17"L x 11.4"W x 7.9"H Standard / 17"L x 11.4"W x 11.8"H Expanded.

【Easy to Install】It is super easy to install this bag in only four steps. Firstly, open the cushion. Secondly, put the straps on it. Third, cover the cushion. Finally, put the helmet bag and tight the straps. When you put the bag on the bike you don't notice it since it is so stable and secure. Even if you are driving on the highway, this bag is firmly fixed on the back seat and will not fall off.

【Practicality and Aesthetics】An awesome look and all the features you could ever want.Sleek look, lower profile, light and handy. It's also an excellent decoration to your motorcycle with modern design. The motorcycle backpack fits most of the motorcycle, dirt bike, and enduro, any motorcycle that can open the back seat can be installed, it can also be used as handbag, shoulderbag and messenger bags.

Large Capacity - The motorcycle backpack can hold every thing you need for a days ride. Helmet and basketball in it and both fit well with the bag expanded. Also features a expandable bottom section to enlarge storage space to 38L. Standard Size: 17"L x 11.4"W x 7.9"H / Expanded Size: 17"L x 11.4"W x 11.8"H

Multifunction - The motorcycle backpack be used as handbag, shoulderbag and messenger bags. It also fits most of the motorcycle, dirt bike, and enduro, any motorcycle that can open the back seat can be installed.

Waterproof - Our Motorcycle tail bag is made of 600D Oxford cloth + waterproof cloth +EVA which is better than 1680D fabric. Our material is more durable and not easy to break off. Waterproof performance is very great.

Fit for most of the motorcycle, dirt bike, dual sport and enduro. Can be used as handbag and shoulderbag for easy movement. Also a decoration to your motorcycle with modern design.

Two sides are equipped with high reflective strips to enhance the safety of night and haze days.Comfortable mesh shoulder strap, emovable , honeycomb back cushion, reduce back pressure, keep dry and breathable, improve back comfort. Reverse coil zippers helps keep out dust and dirt, keeping zippers working smoothly.

Large capacity, all the features you could ever want. multi-layer structure layering, A good item to store your helmet,wallet, phone, camera, energy drinks, cigarette, etc. Also features a expandable bottom section to enlarge storage space.

【Multifunctional Usage】 Fit most of the motorcycle, dirt bike, dual sport and enduro, it can also be used as handbag and shoulderbag for easy movement.

【Practicality And Versatility】 A Classic Look and all the features you could ever want.A good item to store your helmet,wallet, phone, camera, energy drinks, cigarette, etc.Also features a expandable bottom section to enlarge storage space.It's also a decoration to your motorcycle with modern design.

【Durable Material】 Motorcycle tail bag is made of high quality PU leather, water resistant, you can use it in rainy day

【Occasion & Multi-application】Fit most of the motorcycle and dirt bike.This can not only be used as a motorcycle rear seat bag, but also can be installed on the fuel tank, and can also be used as a backpack with a shoulder strap.

【Waterproof Bag】High quality 500D polyester and 210D lining materials.Waterproof zipper cap can prevent rain intrusion,the yellow lining of the main bag is detachable and can be used as a rain cover after being removed.

【Large Storage Space】20L Large storage space:26*18*59cm.The main pocket takes up most of the space and can store many daily necessities.

【Multifunctional Dual Use Bag】This motorcycle rear seat bag comes in 24L and can be used as a motorcycle helmet backpack. It can be expanded to a 37L capacity and installed as a motorcycle tail bag on your motorcycle, dirt bike and motorbike models.

【Waterproof Tail Bag】These hard shell motorcycle tail bags are equipped with additional rain covers, which is water-resistant, tear-resistant and high durability. A totally waterproof bag with rain cover could keep your belongings from getting wet.

【Easy Installation】They are easy to install to your motorcycle with straps. If you secure the back seat bags tightly, motorcycle helmet and gloves will work great in seat bag. If you use them as backpack bag, you are required to take the straps off the motorcycles and motorcycle tail bags will come right off.

♥Product Size: 45cm(L) x 18cm(W) ​​x 30cm(H) (dimensions after unfolding with gusset: 45cm(L) x 27cm(W) ​​x 30cm(H)) The round zipper can be adjusted on both sides volume of.

♥Expandable Storage Space:The motorcycle saddlebags have a pair of storage boxes especially suitable for motorcycles. It can be expanded to a maximum capacity of 58 liters (29 liters x 2) and a maximum single-sided weight of 3KG.

♥Practicality and Versatility: The motorcycle saddlebags are specially designed for sports motorcycles, with practicality and versatility, providing a lot of storage space. With a compact 36-liter capacity, expandable to a 58-liter capacity (two saddle bags combined), the motorcycle saddlebags are ideal for short or long trips, with side pockets and a large storage area with non-slip material on the bottom.

High-Quality Material: The helmet bag is constructed from premium materials like ABS plastic, 1200D waterproof oxford fabric, and hard durable PU leather, which ensures water-resistance, tear-resistance, and durability, providing customers with a long-lasting investment.

Large Capacity: The expandable design of the motorcycle bag allows it to expand from 24L to 48L, providing ample space for carrying clothes, shoes, helmets, cameras, wallets, gloves, raincoats, and lunch, making it an ideal choice for customers who need to carry a lot of items.

Universal Compatibility: The motorcycle back seat bag is designed with universal strap mounts, making it compatible with various types of motorcycles, dirt bikes, and motorbikes. This versatility allows customers to use it as a handbag, backpack, or messenger bag, making it a multifunctional and convenient solution for customers.

【Large Capacity】The motorcycle seat bag can be expanded from 24L to 35L, reinforced Stress Points for extra durability. Spacious and stylish design, it is big enough to store as a motorcycle luggage bag for all sorts of stuff while riding.

【Waterproof Design】The motorcycle rear bag is made of waterproof Oxford and EVA which is more durable and not easy to break off. In addition, come with a rain cover to protect your items from the elements.

【Unique Design】Reflective straps on the front of the motorcycle helmet bag provide a safe riding at night. Two-way zipper design, easy to take items from all angles.