Floaty Float Box with 3m Adhesive Anti Sink for Gopro HD Hero Hero2 Hero3 Hero3+ By Wmicro Industrial strength 3M VHB adhesive backing attaches the float directly to the HD HERO waterhousing backdoor. It can make them float, stop the camera to sink.So you don't have to worry about losing your camera in the water. Great for snorkeling, scuba diving, surfing, wakeboarding and any other deep water activity. Fit for Gopro HD Hero 4 Hero2 Hero3 Hero3+ Hero 1 Camera Gross weight: 0.03kg