45L Adjustable Waterproof Dustproof Backpack Rain Cover Portable Ultralight Shoulder Protect Outdoor tools Hiking Material: High Density Waterproof Nylon Advantages: Waterproof, Rip resistance,dust resistance, sunscreen. more Purpose: you could use as Computer screen cover, bike cover, fan cover, chair cover suit for 35L-45L backpack Color : As showed Description: Item type: Backpack cover Gender: Unisex Color: As shown Capacity: 45L Features: Sun-resistant, rainproof, heatproof, dustproof Material: Waterproof coating, nylon Package includes: 1 * Backpack cover Note: The colors deviation might differ due to different monitor settings. We provide you with the best product and service, if you have any problem, please let us know, and we will solve the problem ASAP. Thank you so much