... Fiberglass) 3.Suface:Gel Coat 4.Weihgt:62.5Kg Multi-Function Walk-in Frp Bathtubs Our Bathtub is made of ... 4.Keeping the temperature long time,and easy to clean. Multi-Function Walk-in Frp Bathtubs: Bathtub MaterialsUnsaturated (35%),fiberglass(66%), ... .Packing DetailsTogether with foam ,packed in carton,then took into pallet. Customize design available, OEM/ODM welcome !Multi-Function Walk-in ...