Waterproof:Our waterproof bag is made of 210T polyester taffeta fabric, hydrostatic pressure waterproof index up to 5000,which can keep your items inside from rain,snow,dirt,dust or sand Durable and Light: Our dry sack is durable and easy to clean,Its net weight is only 0.22 lbs.It can be rolled or folded to save space when not in use Compression Storage: When storing clothes, you can press to squeeze out excess air and fasten the buckle, it changes to a compression bag in seconds A variety of colors and 6 sizes: The dry sack is with bright and eye-catching colors, 2L/5L/10L/20L/40L/70L multi-size capacity to choose, you can store all your travel necessities Widely Used: These dry bag set can be used in occasions like travelling, backpacking, kayaking, fishing, camping, canoes, sailing, boating, rafting, hiking or even Home organizing,etc