A less expensive and less bulky alternative to traditional dry bags, the Sea to Summit 4 Liter Dry Sack can squash into spots ordinary heavy dry bags won't go. Ideal for clothing, sleeping bags or for keeping critical items dry such as cameras, film, GPS devices, cell phones or travel documents. Fits into little corners of a sea kayak or light enough for backpacking or adventure traveling. White lining to see sack contents better. Fully taped seams. D ring attachment point at buckle. Made of 70 denier nylon, laminated with polyurethane. Size: 9 in. x 15 in. flat. Wt. 1.4oz.