Acrylic Modeling Paste - 16.9oz (500ml) Lightweight, Flexible, Mixable, Sandable, and Archival-Safe. Artist-Friendly Formula: Non-toxic acrylic texture paste that's water-based and easy to clean; dries to a matte white finish; provides superior tooth for paint adhesion; archival-safe for long-lasting artwork; ideal for all skill levels.
eBay