DAS Smart Polymer Clay is perfect for creating colorful jewelry, modeling, and more! It offers excellent plasticity and a great balance of softness and hardness, which makes it easy to work with yet ideal for creating precise details. To harden, simply bake in the oven at maximum 266 degrees for no longer than 30 minutes. It’s odorless and non-toxic, with a no-color-shift formula. - DAS Smart Polymer Clays - Warm and Cool Colors, Set of 12Das Smart Polymer Clay, WARM/COOL 12PK - Includes 1 oz each of White, Salmon, Carmine Red, Night Blue, Beige, Sand, Cool Grey, Black, Quartz Blue, Metallic Silver, Metallic Copper, and White Pearl. Total weight is 12 oz (342 g).