The SEAC Hydra Swim Buoy offers excellent visibility thanks to its bright color, even when you are wearing a dark swimsuit. With its adjustable strap, the SEAC Hydra Swim Buoy adapts to your needs and guarantees you complete freedom of movement. The central valve allows for easy inflation and deflation of the SEAC Safe Dry Swim Buoy. When swimming in open water, it is very important to be easily visible to boats, surfers, and other swimmers.