Earth Pak Waterproof Dry Bag With Zippered Pocket: Waterproof Dry Bag Backpack PROTECT YOUR GEAR: Constructed from commercial-grade 500D PVC for high performance, durability, and protection wet bag waterproof backpack. Our Waterproof Backpack for Men Women are all seams are thermowelded shut to provide the ultimate waterproof protection for your gear! ZIPPERED FRONT POCKET: Allows for easy access for you to grab important items without having to unroll the top main compartment. The front zipper gives easy access to keys, knives, lighters, and other personal items you need to grab quickly on the go! FLOATING DRY BAGS: Our waterproof bag beach backpack are sealed shut and can conveniently float alongside you during your paddle boarding, kayaking, surfing accessories sea adventures! IPX8 WATERPROOF PHONE CASE: Universal design fits all smartphones up to 6.5 inches (measured diagonally), making it perfect for protecting your device or smartphone. Snap and lock closure allows you to safely secure your phone, camera, or small electronics in the waterproof IPX case. SHOULDER STRAP: 10L 20L dry bags come with a single shoulder strap that is adjustable and can extend up to 36 inches. 30L and 40L dry bags are equipped with backpack style shoulder straps that also come with a sternum strap for added stability great to have as kayak fishing accessories, beach accessories, boating accessories compression sack boat bag.