A large and spacious bag that will secure a "D" oxygen cylinder in the main compartment. It comes with a full wound management or BLS/ALS configuration in the front pocket. The rear pocket allows bulk storage for equipment or a full set of collars. One end opens to allow access to the oxygen regulator without having to open the lid. With a pull of the shoulder strap - the side door closes and Velcro secures it shut. The partial shelf sits on top of the oxygen tank for more storage. The end pocket will accommodate a scope and BP cuff.