Plainsman Stoneware Clay - M390 $49.99 Very plastic high iron clay body. Smooth in texture, it is the darkest firing of the medium temperature red bodies. Very plastic high iron clay body. Smooth in texture, it is the darkest firing of the medium temperature red bodies. Add To Cart Added! You Might Also Like Mid White Stoneware Clay $49.99 Blackstone Stoneware Clay $69.99 Plainsman Stoneware Clay - M370 $69.99 Plainsman Stoneware Clay - Coffee $74.99 Mid Smooth Stone Speck Stoneware Clay $49.99 Sold Out