STAY DRY ON THE MOVE ?C The perfect backpack for rain or other light water activities, such as the beach, pool, boating or out in the snow. The waterproof material keeps all your gear dry and protected while you??re out and about.INCREDIBLY LIGHT AND DURABLE MATERIAL ?C The pack is made with 320D ripstop polyester with a Teslon-coated interior to keep the weight light while protecting what??s inside from outside elements.TRAVEL IN COMFORT ?C Collapses easily, takes up very little space and packs like a shirt in your luggage. It has easy-to-adjust and comfortable ??? drawcords. Use the included chest clip to keep the cords locked in place and on your shoulders.STORE YOUR IMPORTANT ITEMS ?C Use the interior 8?? x 7?? and exterior 15 x 12 zip pockets to store and have easy access to smaller necessities such as your keys, wallet, or phone.TEST AHEAD OF TIME ?C It??s recommended to test prior to use by filling the bag with air, closing properly, and compressing to verify air is not released. The backpack??s closure system keeps your items protected during any activity that your bag is not fully submerged or sitting in the water.