Satisfy your designer's eye with the look of the enduring warmth of granite with Xylem vanity tops. No matter what your taste, our precision made tops are sure to provide functional beauty for your bathroom. Made specifically for the 20 in. W Blox vanities, this 20-1/8 in. W x 21-5/8 in. D top is pre-drilled to accommodate most Xylem vessels, so you can create a customized design to suit your individual needs.