You always need to keep something dry when you at the beach or out on the water. Dry Boxes are great if you have the room, but are bulky and can get in the way. Aqua Dry-Bags are made from Heavy Duty Puncture Resistant Clear Plastic material. This Dry Bag makes it Easy-to-See what you want from the Bag and Protects what is In-the-Bag from the Environment. Bag has Velcro Closure for Positive Seal and Nylon Line Handle. Best of all it Folds-Up Small-and-Compact when you don't need it so you can take it anywhere. Aqua Large Dry Bag measures 10" x 13" (25.4cm x 33cm) when closed.