1. Waterproof and wearresistant: Our backpack rain covers are made of 190T polyester, offering durability and protection against scratches, dirt, and sand. The outer layer features wearresistant polyester, while the inner layer is coated with waterproof material, providing reliable protection with up to 2000 mm rain resistance—ideal for all rainy conditions. 2. Reflective strips: Equipped with reflective strips, our rain covers enhance visibility when exposed to light in the dark, ensuring safety during outdoor activities. This practical design is also for students returning home late at night. 3. Adjustable buckle: The backpack rain covers come with a cross strap and adjustable buckle for secure stability and full coverage. The elastic cord around the edge prevents slipping, making it windproof. 4. Lightweight and portable: Crafted from waterproof fabric and quality polyester, our rain covers are lightweight and easy to attach to your backpack. Each cover folds neatly into its storage bag, ensuring convenience for sudden rain showers.