Opteka Underwater Case/Waterproof Housing for Canon EOS, Nikon, Sony, Olympus & Pentax DSLR Camera (Rated Depth of 30') Underwater housing for up to 30 feet depth Secure thumb screw clamp closure system Double-coated PVC Vinyl with UV Coated Lens Cover Accordion style lens tube with two finger adjusters gives user full control Dimensions: 10" X 8" X 6.5" (L X H X W)