Premo Sculpey Accents Clay -18K Gold Add a bit of glam to any polymer clay project with the Premo! Sculpey Accents line. This metallic-colored polymer clay contains tiny mica particles used to create a reflective effect. Premo Sculpey Accents Bakes at 275 °F (130 °C) for 30 minutes per 1/4 in (6 mm) thickness. Made in USA. DO NOT MICROWAVE. Baking should be completed by an adult. DO NOT EXCEED THE ABOVE TEMPERATURE OR RECOMMENDED BAKING TIME.