Sea to Summit's fully welded Clear Stopper Dry Bag is made with waterproof nylon fabric with TPU lamination on the outer face for durable water shedding performance.. . Clean profile and oval base resists rolling and allows for easy packing. See through convenience for easier access contents. 210D waterproof nylon fabric with PVC free TPU laminate. Durable, smooth water shedding exterior is abrasion resistant. Waterproof TPU roll top closure does not wick moisture. All welded construction for permanently sealed seams. High strength fabric is UV resistant and wont crack in extreme cold. Features the patent pending Field Replacement Buckle with stainless steel pins. Dimensions for oval base and height: 7 x 4 x 15 in.. Volume: 5 L 305 cu. in.