XTERRA Boards - Waterproof Backpack - Lightweight Pack w/Roll Top Closure for Water Sports (Black/Red) PROTECTS YOUR GEAR - This light and versatile dry bag is ideal for organizing and protecting your gear from the elements - sand, water, dirt, etc. It is great for the pool deck where it will keep all your gear inside dry. Or, put all your wet clothes, accessories, and towel inside and keep everything else dry. WATERPROOF GUARANTEE - Featuring a roll-top closure with sewn, taped construction and high frequency welded seams to ensure water-tightness. This dry bag is suitable for quick submersion and protects valuables from dirt, dust, sand, and water. Multi-purpose storage applications and reliable protection for your gear. EXTREMELY COMFORTABLE - The shoulder and back pads that provide support and comfort on the walk to and from the beach. Double front clasps also provide additional ease of transportation and travel. This dry bag is ideal for strapping onto the front of your stand up paddle board, or leaving on shore while you SUP, kayak, swim or have fun in the water. SPECIFICATIONS - Approximate Volume: 1800 cu in. (30L) - ideally used when top is rolled tight, creating a 25 liter bag. Dimensions: Top Circumference - 32"; Bottom Circumference - 31"; Height Fully Unrolled - 27"; Back Width - 10"; Main opening of dry bag provides optimal dryness for items. Dry bag front pocket is not waterproof. Maintain necessary items in main folded area of dry bag. NO RISK GUARANTEE - We stand behind our waterproof back pack, and if you are not 100% satisfied we will gladly give a full refund. We know that this bag will work great for men and women, of every shape and size.