The Pumphouse Ultra drastically reduces sleeping pad inflation time by gathering a large amount of air at one time and easily pushing it through your sleeping pad's in-valve. Featuring extra durable and water-resistant HyperBead® fabric, this handy pump doubles as a stuff sack, or a pillow in a pinch! Features: - A multi-use sleeping pad inflation pump that may also be used as a stuff sack, pillow, and more - Featuring our strongest and most durable HyperBead® fabric technology, for increased tear strength and water resistance - Roll-top buckle closure keeps gear inside secure and dry, and can be used to attach stuff sack wherever it is needed - Can be used on any pad with a standard sized air valve - Air volume when fully inflated: 38" x 16" x 8" - Stuff sack volume when rolled closed : 20" x 14" x 8"