This is the irst and most popular bag with the following features: replaceable bottoms, yet durable with dual-density structural foam and strong nylon construction for the highest quality and longest life. Optimum organization accommodates the most modern supplies used by emergency professionals: a front pocket organized with elastic loops and pouches; an external, easy-access top pocket; and an internal pouch. Also comes with a tuck-away backpack harness and is compatible with mini-kits. This bag is made with 600D nylon.Dimensions: 17.5" x 13" x 10"