Plus clay is a premium, natural, self-hardening clay. Its exceptional plasticity and ultra fine grade allows for excellent detail and versatility. Air cures to superior strength and durability--will not crumble. Minimal shrinkage. Moist, odorless, and ready to use right out of the package. Suitable for all hand building methods, throwing on a potter's wheel, and sculpting. Ideal for artists, hobbyists, educators, professionals, and novice ceramic users. 2.2 lb. package .Can be carved, sanded, and drilled when dry and accepts virtually any finish. Designed as a self hardening clay but if desired could be fired.