... the temperature long time,and easy to clean. Multi-Function Walk-in Frp Bathtubs: Bathtub MaterialsUnsaturated (35%),fiberglass(66%), Curing agent+gel ... ,4mm,5mm.LOGO Printing label or as your requestBathtubs Typesa. Walk-in bathtub b. Single open bathtubc. Floding bathtub d. Potable ... do as your requestSizeShell:130cm(L)*91cm(W)*99cm(H)Door:40cm(Top),26cm(bottom),77(High),Your request are welcome ...