Pro Art Jovi Air harde Ning clay. Super soft modeling clay that stays soft in an air tight plastic bag and hardens when exposed to the air. AIR dries in 24 hours, once hard it can be painted, varnished, polished and cut. This package contains 1/2 pound of harde Ning clay. Comes in a variety of colors. Conforms to ASTM D-4236 of impor.
