Monmaria Helium Ultralight Dry Sack 3L sky grey 30D siliconized high-tenacity CORDURA Nylon fabric for extra strength, durability & a smooth finish for easy packing. Waterproof & seam tape sealed. Waterproof hypalon roll-top closure with ITW buckle. Super compact & ultralight. Capacity: 3L Weight: 22g Size: 15x10x32 cm