BlueField Backpack Bag Rain Cover for Outdoor Hiking Travel Water Resistant (Size: S/M/L) (Color Black/Blue/Gray) Made of high quality very durable material Keeps your backpack and belongings dry from rain, mud and dust Elastic design and adjustable size for a perfect fit for your backpack Foldable, and lightweight, comes with a matching cover for carry while its folded Perfect for the hiking, traveling, and climbing