These American handcrafted tiles are absolute works of art! They make a dramatic, artful statement, whether displayed flat on a table or hanging on a wall. Each tile has a notch on the back for self-hanging and is sized to allow a 3/16″ grout line if being installed. They are approx. 5/8″ thick. This 4×4 Cardinal tile can be ordered unframed, or framed in quartersawn oak. Outside measurement framed is approx. 8×8.