The following Base choices can be customized when you add this product to your shopping cart by clicking on the add to cart button on the previous screen.                                                           Real Marble Base 2" X 3" X 3/4" White   Real Marble Base 2" X 4" X 3/4" White   Sculpted Base 3 1/2" X 3 1/2" White Marble   Sculpted Base 3 1/2" X 4 1/4" Black Marble   Sculpted Base 3 1/4" X 3 3/8" Black Marble