HIGH-CAPACITY MEDICAL BACK PACK - Perfectly sized to hold a size D, M4, M6 or M9 oxygen O2 tank along with other first aid medical supplies and respiratory gear. Backpack dimensions: 17"(H) x 6"(D) x 9"(W). HIGH QUALITY AND LIGHTWEIGHT - The backpack is made from durable nylon material, reinforced foam line construction, heavy duty zippers, foam padded adjustable shoulder straps and buckle chest straps. Lightweight with a top rubber handle makes it comfortable to carry and easy to handle. MULTIPLE COMPARTMENTS - The backpack has 9 organized inner compartments for your first aid supplies, the pouches have a color clear view to help the user quickly identify the items in need. The bag is complete with inner straps for securing an oxygen O2 bottle, 4 outer zippered pockets, and a large detachable front compartment to easily organize and access your tools and equipment. FUNCTIONAL DESIGN - High visibility reflective strips run along the bag and its outer pockets for easy recognition in the dark. It has a water-resistant bottom designed to keep your equipment dry under wet conditions. MULTI USE - Novamedic medical backpack is ideal for EMTs, paramedics, first responders, hiking, camping, travel, sport activities, and for keeping at home, schools, office or in the car as a backup for emergency situations. The NOVAMEDIC Trauma First Aid Tactical Backpack is made from top quality tough, durable material, perfectly designed to serve under emergency medical situations. The bag is spacious, designed to accommodate an oxygen O2 tank / bottle along with an array of first aid and medical supplies, making it the ideal bag of choice for first responders, paramedics, campers, hikers, and those who are looking to carry their medical supplies with ease and comfort.