Safety & Fun Vest

The name says it all. The Safety & Fun is a combination high-visibility safety buoy and a swimming aid. Ideal for snorkelers, it can be worn as a snorkeling vest to provide additional surface buoyancy, making a day on the water safer and much more fun.

http://www.scubapro.com/en-US/USA/accessories/buoys-and-flags/products/safety-fun.aspx