The Sea to Summit Air Stream Pump Dry Sack is a versatile camping essential designed for both convenience and functionality. This lightweight, waterproof sack doubles as a pump for inflating sleeping mats and as a dry storage solution for your gear. Made from durable nylon, it features a roll-top closure to keep your belongings safe and dry. The integrated pump function allows for quick inflation without the need for lung power, making setup a breeze. Ideal for backpackers and campers, this innovative dry sack ensures your adventures are comfortable and organized.