There is a reflective strip on the top of the wheelchair bag. The silver reflective material allows the driver to see pedestrians in a 100 meter radius in the dark, also improve your safety at night. Please check the appropriate size before purchasing. Offers plenty of space for wallets, clothes, water bottles, glasses, notebooks, electronic devices, etc. Please note that the wheelchair bags don't have a small inner pocket. With the Velcro wheelchair backpack, you don't have to worry about the zipper falling out. And the adjustable strap with buckle is specially designed to attach to wheelchair handles and can be easily attached to wheelchairs. High Quality Waterproof Oxford Material: Made of oxford cloth, waterproof and wear-resistant. The inside of the storage bag has a durable lining. Nylon material can be machine washed or hand washed for easy cleaning. Wide Application: This is a perfect bag suitable for many chairs. Examples are: wheelchairs, walkers, scooters. Easy to store and take with you anywhere. Material: 420D Oxford Cloth Color : black