1, waterproof: The backpack cover is made of high-performance and waterproof oxford cloth, which can reliably protect the contents of the backpack from moisture and humidity even on long journeys! 2, Universal: Whether it's a school bag or a backpack, with this ripstop and rainproof backpack, you'll always have reliable weather protection for your daily life and travel! 3, Safe reflective: Thanks to the quick click button and reflective logo, the rainproof backpack is extra safe and provides extra protection even in the dark and night driving! 4, Ultra-light and practical: Thanks to the flexible elastic straps, the ultra-light backpack rain cover can be put on and taken off instantly and stowed away quickly to save space! 5, Best protection: With our waterproof backpack cover, we always ensure the best protection against rain and moisture in all weather conditions! 1 x Backpack Rain Cove Material: Oxford clothDimensions (adjustment range):Length: 20-32cmWidth: 15-20cmHeight: 40-53cmRecommended backpack capacity: 30-40L Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.