Food grade plastic Set contains: 2 Blue rings for flower petals and leaves. 0.0625 in. / 0.158cm 2 Gold rings for letters, numbers and appliqué shapes Size: 0.187 in / 0.475cm 2 Orange rings for shapes cut with Wilton Cut-Outs or cookie cutters and for covering cakes with fondant. Size: 0.125 in / 0.3175cm Set of 6 guide rings Fits on 20 inch rolling pin