The Multi-Pro Vinyl Trauma Bag has an impervious 14oz vinyl shell that is water proof and has twice the durability of Cordura nylon. Also equipped with #10 YKK Aquaguard Zippers that are inverted to eliminate wear on the coil prolonging the life of the strongest zipper on the market. The Aquaguard zipper has a polyurethane coating to lock out dirt and moisture. Removable fold out, color coded pockets with clear vinyl window. An ABS molded plastic liner provides protection to contents and is designed to accommodate a 'C', 'D', or Jumbo D O2 cylinder. The removable shoulder harness allows you to use it as a back pack for hands free carrying. This item may be used as a specialty case for airway management, basic trauma, etc. Shoulder strap is included. Measures 22' x 12' x 7'. Made of 14oz Vinyl. 1850 cu. in. Wt. 67 oz. Color: Black