Features 1. Made of easy-to-clean, heavy-duty, waterproof Oxford cloth. Attached with easy-to-adjust quick-release buckles. The inner bag can hold larger oxygen cylinders. 2. Adjustable straps allow the bag to be positioned off-center on your wheelchair so that it won't interfere with your back or head. 3. An economical alternative to steel tank holders, the Wheelchair Oxygen Cylinder Holder assists patients requiring oxygen on the go by safely and comfortably storing the oxygen tank. 4. Easy to clean, Reflective stripe: can reflect the light around at night, o as to play a safety warning role. 5. Perfectly fits all wheelchairs and walkers. With this oxygen tank bag, makes sure traveling with the large tank much easier in the cart. Specification Material: Oxford cloth Color: Black Size: 70 x 25 cm Weight: 250 g Package Include: 1 Oxygen Cylinder Bag(with Reflective Stripe)