Kato Polyclay Black 12.5 Oz - Polymer Clay Kato Polyclay, The Polymer clay for artists, by artists. Developed by world renowned artist Donna Kato and formulated by the creators of the award winning Claytoon modeling clay Designed to be close to artists primaries, so you can readily mix and blend any color that you may need, all while having a minimal color shift from raw to cured clay A satin sheen finish and high durability after curing easily make your creations look great and last for years to come, a must when crafting jewelry; earrings, pendants, bracelets, anklets, beads, rings, brooches, hairpins, and charms Intended to be the firmest, holding intricate details, and the ability to be repositioned when warm makes this an ideal compound for sculpting Certified by ACMI (Art and Creative Materials Institute) Safe, Vegan, Non-Toxic, and Gluten-Free. Contains NO dangerous chemicals that can be harmful to children or pets