Please, let s know the size of the Drain. We drill on bowls. If you wish to have just a bowl, Also contact us the price will be the same as with a hole and without a hole. This sink is made of agate stone. As this product is handmade, it is unique and rare to find.No reaction with soaps, for daily use wash with soap and water.Agate generally forms by the deposition of silica from groundwater in the cavities of igneous rocks. The agate deposits in concentric layers around the walls of the cavity, or in horizontal layers building up from the bottom of the cavity. These structures produce the banded patterns that are characteristic of many agates.