Multi-layer waterproof - The backpack rain cover is made of high-quality tear-resistant nylon material, external waterproof coating, inner layer with PU coating provides reliable protection up to 2000mm rain resistance, perfect for all rainy activities. Be safe and highly visible - High-quality super bright (50% brighter than others) and extra long reflective strip (30% more reflective surface) to be seen in all weather. Easy storage - These waterproof backpack covers can be easily folded, allowing you to put them in the side pocket of your backpack to save space. Economical 2-pack - You can buy a 2-pack at a reasonable price. Perfect for outdoor activities: Perfect for outdoor travel, riding, climbing, hiking and so on. Wide application: Our backpack covers are suitable for various purposes, perfect for most sports backpacks or daily backpacks, such as hiking backpacks, travel bags, school bags, laptop bags, camping bags and so on.