ATTO's oxygen tank holder attaches securely to the back of the scooter and is designed to carry an oxygen tank (up to 75cm/ 29.5) to provide the user with optimal oxygen supply while traveling. The holder includes a fabric cover for the tank and a dedicated pocket for the oxygen mask tubes. Features: Enables safe and convenient use of oxygen tank while riding. Black fabric cover can be adjusted to different size tanks, to keep it hidden. Dedicated pocket for oxygen mask tubes. Allows comfortable