Our Keys Island Gear 10 Liter Waterproof Dry Bag is constructed from 210T polyester grid cloth and includes a carabiner clip. Approximate size is 18″ high x 7″ diameter and comes in the color shown (royal blue) and is imprinted with our Keys Island Gear logo on one side. Manufacturer’s recommendation to provide maximum protection to bag contents:  1) fill bag no more than 3/4 full; 2) squeeze out air; 3) fold down top of bag at least 3 times; 4) pull together buckles located at each side and snap closed; 5) pull up on closed buckle to use as a handle.  As with any product, it is always recommended that you test your dry bag in a controlled environment each time before using it with personal or valuable belongings.