The extremely lightweight, waterproof COCOON Drybags are made of recycled 15 Denier Nylon and feature a roll-top closure. Inside your backpack they keep your gear dry and organized. They are are also ideal for watersports to protect sensitive items from becoming wet. Perfect for kayaking, paddleboarding, hiking and trekking. To make waterproof roll top three times and fix with buckle. Do not submerge in water. Sizes & Capacity Options 3L Capacity Dimensions: 23 x 17 x 10 cm Weight: 22 g 1.5L Capacity Dimensions: 16 x 14 x 7.5 cm Weight: 17 g Specifications: siliconized outside / PU-coated and taped seams on the inside (PFAS free) rectangular bottom with rounded corners for easy packing and minimal loss of space. This prevents the drybags from rolling and makes them easy to stack. D-ring and bottom loop to hang dry and to attach straps semi-transparent fabric to see quickly what is inside (If this feature is not desired, please choose the less transparent drybags with design!) Material: 100% recycled 15 Denier Nylon Care: Hand wash with lukewarm water. Do not use detergent. Do not bleach. Do not iron. Do not dry clean. Do not tumble dry.