This backpack is made with a high density waterproof polyester and contains a soft 11”x15” UHMW-PE panel that is NIJ 0101.06 IIIA certified to protect again .44mag. Backpack size is 11.4”x16.5” x 4” and has 15-20L of storage. Total weight is less than 2.7lbs unloaded. Look good and be safe!