Protolina Clay by Van Aken is a general purpose, sulfur-free oil base compound with a smooth consistency natural plastalina modeling clay. Protolina never hardens, so it remains pliable and can be reused numerous times. Preferred by sculptors, model makers, clay animators and artists of all ages. Also great for mold walls.

An excellent choice for model making, sculpting, mold construction and work requiring non-hardening, reusable, self-adhering ultra smooth clay. Unlike the materials it replaces, Protolina contains no sulfur or sulfates making it ideal for use with silicon type mold compounds.

Sulfur-free proto typing modeling material, designed to replace Kleen Klay and Roma Plastalina. Available in Soft, Medium and Firm consistency in the natural color.