The FTX AirPack Plus meets the requirements of any Emergency Responder that needs to carry oxygen together with their medical supplies. The main compartment has a velcro strap for "D" or "Jumbo D" cylinder. Interior mesh pockets allow quick access to masks, cannulas and airways. Fold-back lid has large zippered storage pouch to store B-V-Ms, extra masks, etc. Double front pockets make organizing your medical and trauma supplies simple.