This is an extremely large backpack/trauma bag made of Cordura nylon. The main compartment measures 20 H x 15 W x 7 D, is padded with closed cell foam, and has a #10 YKK heavy duty self repairing nylon zipper. This bag has 16 pockets and compartments. On the outside back is a 15 x 8gussett pocket and a 15 x 10 x 3 zippered pocket. The two side pockets and top pocket each measure 15 x 5 x 21⁄2. The inside consists of 4 removable flat pockets, 4 pouch pockets and 2 flap pockets. The main compartment has sewn in Velcro straps for securing contents. This pack has a web carrying handle contoured shoulder strap with chest and waist straps. A false back allows for storage of shoulder straps when not needed. 3MTM Scotchlite Reflective Material Star of Life. Color: Orange, Navy, or Black (Black does not include Star of Life or Reflective material.) Wt. 48 oz.