Osprey Dry Bags - Osprey Drysack 30 Dry Bag - Shadow Grey :: Unisex > Bags. Waterproof. high-visibility and robust siliconised ripstop nylon material is also coated at the seamsUnisex drysackRoll-top closureReflective printing is a useful safety featureDimensions: Width: 28cm. Height: 52cm. Depth: 16cmWeight: 60gCapacity: 30 litresRectangular shape makes it easy to pack into luggage. and lets you stand it upMaterial: 100% Siliconised ripstop nylon Size: one size.