Redi Base 36 in. x 66 in. Single Threshold Shower Base with Center Drain and Polished Chrome Drain PlateCalifornia residents see Prop 65 WARNINGS 1 piece, leak proof shower pan with integrated curb and splash walls Pre pitched to ensure proper drainage Ready to tile: Install tile directly on shower pan surface using modified thin set; approved list of thin sets in instructions Install the tile of your choice; tile application required (tile not included) Tile application allows you to customize the shower base to the look and feel of your bathroom Easy