Backpack Cover Rain Cover Rucksack Cover, Lightweight Waterproof Cover, Reflective Mark, Abrasion Resistance, Rainy Season Measures, Night Safety Outdoor, Free Shipping ■ Sizes: XS (15~25L), S (25~40L), M (40~50L), L (50~65L) If no size is specified, we will ship randomly. 【High Versatility】Can be used for commuting, school, travel, mountain climbing, cycling, motorcycling, and running. Due to its elasticity, it is applicable to all backpacks. 【Excellent Durability】Our rain cover has a high-density 190T nylon waterproof surface and PU coating, which is particularly excellent in waterproofness and abrasion resistance, and also prevents damage from friction. 【Strong Waterproofing】Made of high-quality waterproof fabric, it can withstand a water pressure of up to about 1300mm, and the waterproof effect is more than twice as high as that of ordinary rucksack covers, preventing the intrusion of heavy rain and strong winds, and providing peace of mind even in sudden heavy rain or wind. 【Widely Used】It folds up compactly and can be stored in a pocket or bag. Widely used for mountain climbing, commuting, school, cycling, excursions, travel, etc. 【Easy to Install】Easy to install. The waterproof cover, which is easy to store and can be used directly on the backpack, protects your important luggage from rain and water droplets. It's easy to put on and take off with the elastic rubber. It is light, compact, and convenient to carry, even in sudden rain. 【With Reflective Tape】In the center of the cover, there is a stylish and simple design with reflective tape that provides peace of mind when driving at night. It is convenient because it is noticeable when cycling or motorcycling at night. It also reflects car lights when walking on roads with few streetlights, providing peace of mind.