Different size -- These waterproof bags with hook and loop contain three size. Small: 5.1 x 7.08 in ; Medium: 7.1 x 9.8 in ; Large: 10.3 x 13.78 in, Materials -- waterproof clear bags are made of Frosted PVC materials. Water tight bags allow you to use your cell phone without opening the bag (Please avoid high temperature and fire), Widely useable-- Waterproof pouch bag for almost all outdoor, walking, hiking, fishing, boating, camping, floating, kayaking, water theme parks, swimming baths and beach holidays., Practicality-- They can be used as waterproof document holder, waterproof phone pouch, waterproof map case, waterproof camera bag, ipad case，Money, key dry storage and more., Multiple Closure Type -- Fully Waterproof triple fold-down self adhesive closure, Less stretch but Increased Resistance to Puncture and Tearing than conventional bags