Improve Your Safety: The top of the wheelchair storage bag has a 13inch x 0.98inch reflective tape. The high quality silver reflective material allows the driver to see pedestrians in the dark within 328 feet, which can greatly enhance your safety even at night. Convenient & Practical Design: The wheelchair storage backpack has a hook and loop fasteners design, which is more adaptable and more convenient to use. You don't need to worry about the failure of the zipper. The adjustable clip on/off strap not only makes installation and disassembly easy, but also secures the backpack in place for easy use. High-quality Waterproof Oxford Material: The wheelchair bag is made of Oxford waterproof fabric and is waterproof and wear-resistant. The inside of the storage bag has a lining for durability. Nylon material can be machine washed or hand washed for easy cleaning. Large Capacity: The size of the walking bag is 18 inches x 16 inches, making it easy to carry essentials. The sturdy nylon bag can hold wallets, change clothes , water bottles, snacks, glasses, notebooks, electronic devices and more. (Bearing capacity about 8kg) Wide Application: This is a perfect safety device with two adjustable telescopic straps that can be connected to almost any mobile device. Examples are: wheelchairs, walkers, scooters and any type of chair. You can easily store anything and carry them wherever you go. Warm Tips: Please confirm whether the size is appropriate before purchasing, and there is no small inner pocket inside our storage bag.