Boat Marine RV 12V LED Lit 304 Stainless Steel Rim Drink Cup Can Glass Holder Blue Light Blue LED w/Robust plastic housing, w/ Drain Hole Simple 3-hole screw mount installation, Corrosion resistant 304 stainless steel bezel covers mounting hardware for a sleek finished look Standard 3.375" cutout IP66 Rated, Watertight UV stable plastic cup housing