Description Warranty Information Product DescriptionSculpey Premo Polymer Clay 8oz-OpalPOLYFORM-Premo Sculpy: Oven-Bake Clay.This package contains one 8-ounce block of oven-bake clay.Available in a variety of colors (each sold separately).Conforms to ASTM D4236.Made in USA. Manufacturer Warranty - USA Only