The Essential Little Dish - Fusible Glass Slumping Mold Mold measures approx. 5" Dia. x 1" H. To use, simply pretreat the mold with kiln wash or nitride spray and slump your pre-cut glass using the included firing schedule. For best results, always elevate this mold off the kiln shelf by at least 1" before firing. Comes with complete New Hampshire Craftworks Mold Care and Firing Schedule. You will reach for this perfect little dish mold again and again!