US Peacekeeper Backpack Straps can be added to our Drag Mat and 3-Gun Case by attaching the straps through D-rings properly located on each product. The OD Green Backpack Straps are a great addition for the US PeaceKeeper Drag Mat and the Black Backpack Straps provide an additional carry option for the US PeaceKeeper 3-Gun Case. Made of rugged water-resistant 1000 denier nylon. Weight: 1.7 pounds. Lifetime Warranty.