The Diestco D Size Oxygen Tank Holder for Scooters is a durable bag that securely attaches to the back of a scooter or power wheelchair. This small oxygen tank bag provides scooter users a safe way to carry smaller size oxygen tanks. The Diestco D Size Oxygen Tank Holder for Scooters mounts over the back of the scooter seat with durable nylon straps. This attachment strap for this small O2 tank bag is designed to fit seat backs from 7 to 21 inches wide, ranging from travel scooters to high-back powerchairs that do not have push handles. Constructed of high-quality water-resistant fabric, this durable holder also has 300-yard reflective safety tape and is made in the USA. The Diestco D Size Oxygen Tank Holder for Scooters provides people using a mobility scooter an easy way to carry a small oxygen cylinder on the back of their scooter. Diestco D Size Oxygen Tank Holder for Scooters Instructions Diestco D Size Oxygen Tank Holder for Scooters Specifications: Holds: D Size Oxygen tanks and smaller size tanks. Model: For scooters, power wheelchairs without push handles. Color: Black. Measures: 6 inch circumference, 14 inches long. Mounting style: Wide adjustable strap secures over the back of the scooter seat. Material: High quality water-resistant fabric. Made in: U.S.A.