Super Sculpey Medium Blend Gray Oven-Bake Clay - Blend of Super Sculpey and Super Sculpey Firm - 1 Lb, Pack of 3 MEDIUM BLEND - The Super Sculpey Medium Blend is a mixture of Super Sculpey and Super Sculpey Firm. It is firm enough to hold shape and is also soft enough to build shapes and combine pieces altogether. OVEN-BAKE CLAY - This clay will stay soft at room temperature and will harden when baked in an oven. HIGHLY MALLEABLE - The clay is super flexible and blends smoothly. It allows the artist to carve details easily. SHATTER AND CHIP RESISTANT - Create long-lasting projects as this clay is shatter and chip-resistant. PACK OF 3 - The item is available in three 1-pound boxes.