Original US Military MOLLE Sleeping bag carrier in Woodland Camo with drawstring to extend the toppack and condense your sleeping bag you use the web and buckles to attach to your backpack. It attaches to both the frame and the bottom of the main cargo compartment (attaches in both places for stability). Designed to hold the military sleeping bag/Gore-Tex bivy sack system,,,or any other materials, clothing,, or sleeping bags, etc. Also has an ID pocket on the exterior of your bag. Measures 15” x10” x 9". Used good condition. NSN# 8465-01-465-2124. Genuine Govt Issue!!