Cavity under flange for caulking allowing installation without fasteners. Molded-in stand offs on bottom & four drainage holes. Universal size accommodates cans, bottles or glasses. SUPER: Hole is 3-3/4"; Flange Width is 4-3/8"; Depth of Cup is 3-1/4"Color: Beige MFG# GH43-N1-U GH43N1U UPC# 021083003122