Slab built stoneware. Additions to the clay include slips, stoneware inlay, high temperature wire, underglaze, and glaze. Post-firing additions include oil paint, cold wax, and metal leaf. Pieces are backed on wood and wired to hang on a picture hook. A hanging guide for spacing shown is included with purchase of four or more wall squares. Individual squares are 5"sq and approximately 1.75"D. Suitable for use outside in temperatures between 40 and 95 degrees F. Must be protected from rain.