Ferno's Professional ALS Bag can be made into an ALS system with the addition of 4 Mini-Bags. Ferno’s Professional Trauma Bags include durable features such as DuPont, Cordura construction, YKK zippers, and dual-density, Plastazote structural foam. Additional features include removable stiffeners and inserts for custom configuration, concealed shoulder straps, reflective labels, and a replaceable bottom that protects the bag from wet ground. Each bag is backed by a limited lifetime warranty. Available in blue or red.