Description:Made by high quality nylon material, interior with silver coating-lined 190T fabric that is waterproof, dustproof, tear resistant and UV-resistant. With adjustable elastic around the edge, allows the cover to fit on different sizes and shapes of backpacks, make it long-lasting durability. Can be folded and stored when not in used, it is portable convenient and -light,will not occupy your much space.Suitable for backpacks in 35L. It is a must-have rainproof pack cover to protect your backpack from the unexpected rains and keep your stuffs inside dry and clean.Perfect for outdoor commuting, school, cycling, work, travel, hiking and so much moreSpecification:Material: NylonSize: approx.84 x 64cm / 33.1 x 25.2inchCapacity: approx. 35LPackage Includes:1 Piece Backpack CoverNote:Please allow slightly difference due to manual measurement.Color may be slightly different since different monitor.