Montbell Hydro Pro Storage Bag 80L Protects sleeping bags, clothing, etc. from rain during camping and mountain climbing. This large waterproof bag provides high waterproof performance with a combination of a drawcord and Velcro. It can be used in various ways, such as as a waterproof inner bag for a backpack, or to store wet items and load them into a car. Seam sealing is applied to the seams. Please check the images for details. If you have any questions, please ask in the comments section. Thank you for your understanding and purchase.