*Waterproof bag material：Environmentally friendly PVC coated scraper mesh *Various sizes 20 and 30 liters to meet your needs for different occasions. Adjustable shoulder straps for backpack-style carrying *Easy to handle and clean: Put your gear in your bag, grab the braided band at the top, roll it down 2 to 4 times, then insert the clasp to seal it, the process is very fast. Because of the smooth surface, the dry bag is easy to wipe clean. *Water activities: Waterproof bags can be used for fishing, kayaking, rafting, surfing and other water activities, to protect personal belongings such as mobile phones, cameras, wallets, ID cards, etc., from getting wet or soaked. *Travel essentials: Waterproof bags can be used as travel luggage to protect clothing, shoes, towels and other items from rain or humid climates. 2 sizes and 2 colors per size. Black and Blue 20 L and Grey and White 30L