Genuine GI Issue bivy sack cover in ACU Digital camo. These are Gortex/waterproof yet breathable. That means even if your not covered by a tent or shelter you will be dry! NSN: 8465-01-547-2757 Measures 80"long X 30"Wide at the widest point. ACU Digital on the outside and Foliage Grey on the inside. Zips about 3/4 down and then snaps closed. Good condition!