Super Sculpey Medium: Gray - 1LB - As the perfect blend of both Super Sculpey and Super Sculpey Firm, Super Sculpey Medium Blend offers both the workable malleability and the strength you need to make complex, detailed structures that last. Firm enough to hold its shape, yet soft enough to comfortably build,shape and blend pieces together. Stays soft until baked – Does not air dry. Remains soft until it is baked in your home oven. Extra clay can be stored and reused - won't dry out! Gray in color, making it easy for both sculptors and photographers to see even the tiniest detail and, when necessary, catch it on film. After baking, it can be sanded, drilled, carved and painted with water-based acrylic paints. Safe And Non-toxic! Polymer Oven Bake Clay - Sculpey clay conforms to Astm D-4236 and En 71 safety standards, it is non-toxic and safe to use in your home oven