A superior, selfhardening, natural earth clay with exceptional plasticity and an ultrafine grain that achieves excellent detail and versatility. Self hardens and cures to superior strength with minimal shrinkage, inch thick dries in 24 hours, will not crumble and can be carved, sanded and drilled when cured, can be kiln dried if desired Applicable places and people The natural airdry clay is applicable to all kinds of training institutions, ceramic art exhibition centers, ceramic art studios for pottery lovers, artists, sculptors. The raw material of this 2.2LBs natural airdry clay is porcelain, also known as kaolin, with fine and uniform,Use to sculpt, hand model, or throw on a potterys wheel. SATISFACTION Please contact us for any questions. We will reply within 8 hours and help solve the problem until you are satisfied.