Lightweight, durable and durable with tear-resistant tarpaulin, it has a strong welded seam design that can be used for many years, perfect for almost all extreme adventures. The waterproof protection roll closure system provides a secure waterproof seal. Protect your gear and valuables from water, snow, mud and sand. Easy to operate and clean only need to zip the woven belt of your outfit bag and roll it tightly 3 – 5 times and then insert the buckle to complete the seal, the whole process is very fast. The waterproof bag is easy to scrub due to the flat surface. Perfect midsize 10liter and 20liter to meet your needs. Each bag comes with an adjustable shoulder strap. 19 3/5"L x 7 4/5"W