Fire Force Back Pack Cover is made with seamless construction Made of Ripstop Nylon with Water Resistant Urethane Coating, The Multi Cam, Woodland camo, and the MARPAT Woodland Pack Covers are made of Rip-Stop Nylon Material with Water Resistant Urethane Coating. The Adjustable Stretch Cord allows you for universal fit for most large packs; This Backpack cover was originally designed for the Military Large ALICE Pack, it measures aprox. 44"x44". Zippered Pouch for storage included Made in U.S.A.