Waterproof - The cover is made of 190t taffeta, coated with a silver waterproof layer on the inside, and the PU finish gives you full rain protection up to 5000mm. Drawstring secures cover to backpack and prevents it from slipping Good Protection - Thanks to its innovative design, your backpack will always stay dry and well protected in all weather conditions, even in showers you can protect your backpack from rain, mud and dust Impact Durable and lightweight - Our backpack covers are durable, practical and scratch-resistant. Comes with a carrying bag to store it in one piece, prevent loss, easy to store and carry Wide Application - This bag case is perfect for outdoor travel, cycling, mountain climbing, hiking, biking, commuting, etc. Size: 35L & 45L Material: 190T taffeta Color: black, military green (optional) Package includes: 2* backpack rain covers Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. Color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)