Underwater Case for the Following Pentax Optio Digital Cameras: S, S4, S4i, S5i, S5n, S5z, S6, S7, SV, SVi Guaranteed underwater performance for up to 16ft (5m) depth. Transparent and flexible case allows full functionality of your camera's controls. Floats safely if dropped in the water. Patented "Roll & Velcro" zipper closure system provides watertight protection Also protects from sand, dirt, and dust.