**If the thought of being without your cell phone, PDA, camera or other valuables when you`re out on the water makes you shudder, you need an award winning DRY PAK! DRY PAKs hermetically seal out water, sand and dust. Simply twist the knobs to open; twist back down to seal. It`s that simple. If you drop it in water, it will float and your belongings are protected. **Although only a few popular uses and activities are identified for each case, it`s highly likely that you`ll find other applications for your DRY PAK. If you have a specific item that you want to protect, measure it first and check the maximum circumference dimensions that we provide. *6"W X 5"L. *Blue waterproof nylon with waterproof backing. *Adjustable waist belt & anodized belt loop hook. *Yellow sealing clip for high visibility. *For beach, pool, water parks, hiking snorkeling. *Holds wallet, keys, cameras, personal items. *Maximum circumference: 11".