The Ultra-Sil Dry Bag is the winner of the sought-after Backpacker Editors&';&nbs... The Ultra-Sil Dry Bag is the winner of the sought-after Backpacker Editors&'; Choice award and is the ideal dry bag system for backpacking and travel. Made with lightweight, waterproof bluesignA(R) approved 30D Ultra-Sil fabric featuring CorduraA(R) yarns, it&';s the perfect choice to organize your gear inside your backpack or duffle like a pro. The semi-translucent fabric makes it&';s easy to see what&';s in each dry bag. Other features include a non-wicking hypalon roll-top closure, an oval base to prevent the dry bag from rolling away on sloped surfaces and taped seams to keep moisture out. An excellent choice for lightweight backpacking, cycle touring and travel. Features Roll-top closure secured with our patented Field Repair Buckle for a reliable seal Ultralight and super-strong, bluesignA(R) APPROVED Ultra-Sil 30D CorduraA(R) nylon fabric has a 2000mm hydrostatic head Find what you need fast through the translucent fabric Oval base prevents rolling and packs efficiently Slippery finish for easy packing and unpacking