100% Satisfaction Guaranteed: If you are not satisfied with Waterproof Rucksack Cover, please feel free to contact us. We will do our best to solve the problem and make you satisfied. Features: High quality fabric, 190T silver plated Tearproof, rainproof, anti-snow, sunproof Easy to install and close adjust Multiple sizes and multiple usages Necessities for outdoor travel and daily life Size: XS: 15-25L, Length: 20-30 cm, width: 10-15cm, height: 30-40cm S: 30-40L, length: 25-35cm, width: 15-20cm, height: 40-50cm M: 40 -50L, length: 30-40cm, width: 15-20cm, height: 50-60cm L: 55-65L, length: 30-40cm, width: 18-23cm, height: 60- 70cm XL: 70-75L, Length: 40-50cm, Width: 20-25cm, Height: 70-80cm?WARRANTY & QC ------ Quality will be checked before we send the waterproof backpack cover to warehouse. If for any reason you are not satisfied with our backpack rain cover, email our customer service for any questions. We have a two year guarantee. ? Multifunctional backpack rain cover: This Rain cover for rucksack is not only suitable for backpacks, computer and school bags, but also for computer screen covers, seat cushions, bicycle rain pads, fan covers and all devices that need to be rainproof on rainy days,It is a necessity for outdoor travel and daily life. The rainproof covers are available in 5 sizes and can be used for 15-75L backpacks. Please refer to our size chart when purchg to choose the right size. ? waterproof backpack cover-Easy to Store & Small and Lightweight: The backpack cover with a small connected storage bag, our rain cover can be easily folded and stored, the backpack rain cover can be easily folded so that the rain cover can be put in the side pocket of the backpack to save space. ?Adjustable Buckle backpack rain cover waterproof:The rain cover for backpack is designed with elastic bands and two adjustable straps that allow you to adjust the size of the rain cover to keep the rain cover backpack from falling. The buckle is durable and easy to use. ?Waterproof and Dustproof Backpack Rain Cover: The backpack cover Made of 190T nylon with wear resistance and durability, which protects the backpack from scratches, dirt and sand. Inner layer cover with silver PU coating provides reliable protection against rain up to 3000mm. It is ideal choice for all rainy day activities!.Number of Items: 1. Model Name: Backpack Rain Cover. Unit Count: 1.0 Count. Finish Type: Polished. Material: Nylon. Brand: CEMGYIUK. Date First Available: February 13, 2023. Country of Origin: China. Manufacturer: CEMGYIUK. Department: Unisex-Adult. Whats in the box: Backpack Rain Cover. Color: Black. Best Sellers Rank: #152,756 in Sports & Outdoors. Item model number: 2012FCZ0412BLA. : B0BVM9FDZP. Item Weight: 1.6 ounces. Package Dimensions: 1 x 1 x 1 inches.