KOHLER K-1118-LA-0 Expanse 60" x 30" To 36" Curved Alcove Bath with Integral Apron, Tile Flange and Left-Hand Drain, White n/a Imported Curved basin and integral apron create a graceful and spacious bathing experience Tile flange helps prevent water from seeping behind wall and simplifies alcove installation Textured bottom surface Constructed of acrylic