S&K produces are a wide range of solid granite bathtubs,each of the granite bathtub is hand carved from a single piece of stone blocks.The granite bath tub is very luxurious and mainly exported to developed countries for luxury hotels and homes. Our granite bath tubs can be made out of a wide range of colors,please check our material section.The most poluar granite for stone bathtub is shanxi black,G684,G654,G682,also many imported granite colors popular. The finish of granite bathtubs can be polished,honed,or natural.all granite bathtubs will be sealed before leaving our granite bathtub factory.