REFLECTIVE STRIP KEEP THE NIGHT SAFE: This protective backpack cover has a large reflective strip. traffic and ensure the safety of outdoor activities. Backpack Rain Cover: Double-layer design, the outer layer adopts wear-resistant waterproof polyester to prevent scratching and rusting. The inner layer adopts waterproof coating to prevent rain and snow. MULTI-FUNCTION AND WIDE APPLICATION: Due to the collapsible feature of this waterproof backpack cover, it can be used as a bicycle rain pad, electric fan cover and gear that needs to be rainproof on rainy days. Perfectly suited for hiking, camping, cycling, fishing and other outdoor activities. Easy storage: It can be easily folded up so you can put it in the side bag of your backpack to save space. Ideal for outdoor activities: perfect for outdoor travel, horse riding, climbing, hiking, etc.