The light-weight PS21R drybag is constructed from sturdy PU coated nylon fabric. It stores protects & organizes all sorts of outdoor gear & clothing with a fully waterproof roll top closure. Perfect for trekking tours cycling & camping. Two D-rings for fixing & locking Visible indication of volume Easy to clean Closure must be rolled at least 3-4 times prior to immersion into water The PS21R dry bag features extremely high abrasion & folding resistance at a very low weight. A base loop serves for fixing hauling locking & easy holding during unpacking.