Waterproof Floaty Sponge Case with Adhesive Sticker and Lanyard for Sj4000 / Sj5000 / Sj6000 - Backdoor CoverFeatures: Easy to spot flotation backdoor lets your SJ4000 camera float in water Industrial strength adhesive backing attaches the floaty directly to the SJ4000 waterhousing backdoor A spare waterhousing backplate is included Protect the camera from sinking if dropped accidently Pefect for snorkeling, scuba diving,surfing,wakeboarding and any other deep water activity Package Includes: 1 x Floaty Sponge Waterproof Case Backdoor Cover with Adhesive