One-half inch of high density closed cell foam helps protect the control valve. Large enough for your cylinder, control head and demand valve. A 101⁄2 long x 41⁄2 high x 3 deep pocket on the side for mask, nasal cannula, etc. Elastic loops inside pocket for seven oral airways. Shoulder carrying strap allows it to be attached to the cot while moving the patient. A hook and loop closure inside fits around the neck of the cylinder and prevents it from sliding out of the bag. Made of heavy Cordura nylon. Colors: Green with white 3M Scotchlite Reflective Material and black trim. Orange with orange 3M Scotchlite Reflective Material and black trim. Wt. 16 oz.