【ULTRA WATERPROOF】Waterproof backpack rain cover made from superior 300D waterproof oxford fabric with high-density, smooth and soft in texture. Full protect your backpack from snow, dust, insect, sand, rain, scratch and wear .waterproof backpack cover offers a reliable protection of up to 5000 mm of rain resistance. Suitable for any rainy activities and outdoor adventure.

【UPGRADED ANTI SLIP DESIGN】With adjustable cross buckle strap and quick release buckle, full protect your backpack from falling off. the elastic band is stretchable and durable, make sure your backpack get fully covered,easy to put on and take off.

【HIGH VISIBLE REFLECTIVE STRIPE】The rainproof backpack cover with 3cm reflective strip for high visibility, ensuring your safety at night and in any harsh environment and weather (such as windy,fog,rainy，snowy days)

【MULTIPLE USES & ULTRALIGHT】The ultra-thin and lightweight backpack rain cover is packable, can folded into a small size, easily placed in a rainproof storage pouch and attached to your backpack. It's perfect to protect your backpack when you go for a hiking, camping, ,cycling, skiing,boating, climbing,traveling and outdoor activities. It also protects your school bags and laptop bags in your daily life.

【SIZE & WARRANTY】 Size M:30-40L, Size L:45-55L, suitable for most casual backpacks, hiking backpack, laptop backpack, school backpack. We offer replacement warranty and 24 hours online customer service to ensures long-lasting enjoyment of your purchase. If you are not satisfied with our rain cover, just contact us to issue refund.