KOHLER K-1163-S1-0 Sunward 60-Inch x 42-Inch Drop-In Bath with End Drain, White N/A Imported Oval shape creates a graceful and spacious bathing experience Molded lumbar support and armrests offer extra comfort while bathing Under-mountable Textured bottom surface KOHLER ExoCrylic material offers 30% lighter product weight for easier installation compared to KOHLER Brand Acrylic FRP Oval shape creates a graceful and spacious bathing experience Molded lumbar support and armrests offer extra comfort while bathing Under-mountable Textured bottom surface KOHLER Exocyclic material offers 30% lighter product weight for easier installation compared to KOHLER Brand Acrylic FRP