This Dive-Rated Polaroid PLWPCK18 Waterproof Camera Housing Protects Virtually Any Ultra Compact "Fixed" Lens Camera From Snorkeling to Sunsets. The Perfect Solution Polaroid Underwater Polaroid PLWPCK18 Camera Housing is dive rated to protect your camera while providing full access to all key controls. Unlike "zip-lock" and "snap" housings, the Polaroid PLWPCK18 Waterproof Camera Housing features a unique 2 piece track-lock system that also enhances rigidity and protects the camera from bumps or impact. In addition, the lens portion is made of a unique optical-grade plastic composite which minimizes light drop-off and ensures clear images. Land or sea, when it comes to protection without compromise it's the case to shoot for!