If you are open water swimming & want to ensure that you have your essentials close to hand then the Zone 3 Swim Buoy Dry Bag Donut will suit you perfectly. In the middle of the inflated ring is a clear plastic area which will hold your keys, money, phone or any other bits you may want to take with you & keep them completely dry, yet easy to attain even in the water. Features Stores your essentials in the middle Gives high visibility in open water Attaches around the waist Easy to pull along Your items are easily accessible, even in the water Easy to blow up & deflate