SCULPEY III: BLACK - 8OZ - Sculpey III is a great introduction to oven-bake clay. It is soft, easy to use and comes in a variety of vibrant colors! Great for beginners, general crafters and kid/parent projects due to its soft, easy to use texture. Stays soft until baked - Does not air dry. Remains soft and flexible until it is baked in your home oven. Extra clay can be stored and reused - won't dry out! Great for a variety of projects such as: jewelry, DIY home décor, mixed media and more! SAFE AND NON-TOXIC! Because our one-of-a-kind formula will only harden when you bake it in your home oven, you can keep shaping and reshaping your clay until you get your creations just right. And your extra Sculpey III won't harden, so it will be ready next time you want to craft. BAKING INSTRUCTIONS: Bake at 275 °F (130 °C) for 15 minutes per 1/4 in (6 mm) thickness. Do not microwave. Do not exceed the above temperature or recommended baking time. While crafting - Please make sure your work area is covered and you are not working on an unprotected surface. We recommend working on the Sculpey Tools Oven-Safe Work Mat, wax paper, metal baking sheet, or disposable foil. Uncured clay may damage unprotected furniture or finished surfaces. Be sure to cover your crafting area appropriately. WHILE CRAFTING: Please make sure your work area is covered and you are not working on an unprotected surface. We recommend working on the Sculpey Tools Oven-Safe Work Mat, wax paper, metal baking sheet, or disposable foil. Uncured clay may damage unprotected furniture or finished surfaces. Be sure to cover your crafting area appropriately. STORAGE INFORMATION: Our products contain a date code that indicates the date of production, but not “sell by date”. Oven-bake clays, when stored correctly in a cool, dry place, below 77°F and out of direct sunlight, have an expected shelf life of a few years