Cultured marble is a precise blend of polyester resin, catalyst, fillers and pigments, thoroughly mixed and placed into open molds which are coated with a clear gel-coat. The gel-coat is especially formulated to as produce a tough, durable, non-porous and shiny surface, very stain resistant and easy to maintain. The shape of the products depends on the molds used. The colors and veining of the finished product depend on the specific formulation and the techniques of the manufacturer.