Description Conveniently carry your oxygen cylinder with this Oxygen Cylinder Carry Bag for D Cylinder. This carry bag is designed to hold one D medical oxygen cylinder. It is made from a lightweight, attractive and durable nylon and features an opening for threading of cannula on the side of the bag. It also comes with an adjustable shoulder strap that will allow you to carry your oxygen cylinder without a hassle. Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.