This Backpack Cover is lightweight, durable and waterproof and perfect for outdoor, hiking, camping, traveling, riding, and climbing. It protects your backpack from dust wind, scratch, sand, bad weather, water, rain, fog, and snow. The cover packs down into a small stuff sack for easy storage. This waterproof cover is designed to wrap all the way around the bag and cinches around the frame to secure the rain cover to the pack.