This cylindrical 'clamshell' design is perfect for storing tank and O2 delivery devices, such as cannulas & masks. Mesh pockets and elasticized tool holders line inner walls. O2 cylinder is secured with hook and loop fastener. Full length high density foam, regulator protector, padded handles and shoulder strap are standard. Holds 'E' Cylinder. Contents not included. 32" L x 8.5" W x 8.5" H.