Internal Wet and Dry sections, supplied with 2 shoulderstraps for use as a backpack, shoulderbag or grab-bag, super light-weight waterproof fabrics make these great day-bags, roll-down seal will keep out any rain or mud, or spray on a kayak, integral lashtab is perfect for lashing it down to a deck. Made of Ripstop Nylon, a woven fabric that has an extra thread added to the weave which stops a tear or rip from travelling across or down the fabric. TPU-coated to keep water out.