Super Sculpey FIRM Polymer Clay...They ultimate sculpting compound! Super Sculpey is used by movie animation studios and professionals worldwide for prototypes maquettes and all kinds of dolls. Its excellent tooling qualities make it the preferred choice for casting and all types of sculpture. Super Sculpey is a semi-transparent beige color and can be sanded drilled carved and painted with water based acrylics after it has been hardened in the oven. Non-toxic. Super Sculpey stays soft and pliable until it has been baked in the oven!Super Sculpey FIRM has a texture that is perfect for sculpting fine details. The gray color makes it easy to see and photograph. Like regular Super Sculpey it is shatter and chip resistant.