This rain cover is suitable for backpack, computer bag, school bag, etc. It is a necessity for outdoor travel and daily life. Protect your backpack and important items from rainwater and muddy water in rainy and snowy days.Waterproof material: the rain hood is made of strong, tear-resistant dacron. The interior has a waterproof coating, effectively preventing rain and snow.Reflective Strips: With reflective strips on the front, make you visible in dark night and keep you from accidental injuries, effectively keep you safe.Adjustable buckle: Located in the middle of the back of the rain cover to prevent the rain cover from slipping.Elastic band: good stretch, easy to put on different types of backpacks.