Pop-Out Textured Deck Plate - White - 6". The Sea-Dog Pop-Out Deck Plate is constructed of UV stabilized molded ABS and polycarbonate for its structural strength, as well as weather and corrosion resistance. The integrated, pop-up lever makes opening and closing a snap; no tools required. Rubber O-ring provides a watertight fit. Patent Pending. Avoid contact with acetone or strong solvents.