Frelaxy Waterproof Backpack Rain Cover, 8000Mm Waterproof Level,, Traveling Superior Waterproof Protection: Our backpack cover is crafted using high-quality tear-resistant nylon material and features an external waterproof coating. With an inner layer cover boasting a PU coating, it offers a reliable rain resistance of up to 8000mm. Stay dry during any rainy activity with our 100% waterproof cover. We offer a full refund if you're not satisfied. Superior Waterproof Protection: Our backpack cover is crafted using high-quality tear-resistant nylon material and features an external waterproof coating. With an inner layer cover boasting a PU coating, it offers a reliable rain resistance of up to 8000mm. Stay dry during any rainy activity with our 100% waterproof cover. We offer a full refund if you're not satisfied. Complete Coverage, Unmatched Stability: Our backpack cover comes with elastic and cross-adjustable buckle straps for maximum stability and 50% more coverage. Even in heavy winds, your backpack will remain fully protected. Enjoy ultimate peace of mind wherever you go. Complete Coverage, Unmatched Stability: Our backpack cover comes with elastic and cross-adjustable buckle straps for maximum stability and 50% more coverage. Even in heavy winds, your backpack will remain fully protected. Enjoy ultimate peace of mind wherever you go. Compact and Lightweight: Weighing just 2.2~3.6 ounces (Size: S~XXL), our backpack cover is incredibly portable. Each cover includes a rainproof storage pouch that can be easily clipped to your backpack, ensuring you're always prepared for unexpected rain showers. Compact and Lightweight: Weighing just 2.2~3.6 ounces (Size: S~XXL), our backpack cover is incredibly portable. Each cover includes a rainproof storage pouch that can be easily clipped to your backpack, ensuring you're always prepared for unexpected rain showers. Durability at its Finest: Made of high density tear-resistant Nylon, our cover is wear-resistant and built to last. It safeguards your backpack against scratches, dirt, and sand. Suitable for backpacks ranging from 15-90L, refer to the size chart in the 6th picture or description for the perfect fit. Durability at its Finest: Made of high density tear-resistant Nylon, our cover is wear-resistant and built to last. It safeguards your backpack against scratches, dirt, and sand. Suitable for backpacks ranging from 15-90L, refer to the size chart in the 6th picture or description for the perfect fit. Hassle-Free Exchange: If the size doesn't match, we offer a free exchange without returning the product. Additionally, our backpack cover is backed by a worry-free 24-month warranty. Your satisfaction is our top priority. Hassle-Free Exchange: If the size doesn't match, we offer a free exchange without returning the product. Additionally, our backpack cover is backed by a worry-free 24-month warranty. Your satisfaction is our top priority.