Osprey Dry Bags - Osprey Drysack 30 Dry Bag - Shadow Grey :: Unisex > Bags. Capacity: 30 litres Rectangular shape makes it easy to pack into luggage. and lets you stand it up Reflective printing is a useful safety feature Unisex drysack Roll-top closure Material: 100% Siliconised ripstop nylon Weight: 60g Waterproof. high-visibility and robust siliconised ripstop nylon material is also coated at the seams Dimensions: Width: 28cm. Height: 52cm. Depth: 16cm