These can be mixed into any media, and applied to any surface! And the variety of finishes Pearl Ex can produce is nearly endless, from metallic sheens to pearlescent shimmers to all manner of faux finishes. Mix into oil, acrylic, gouache, varnish, clay, melted wax, and apply to clay, glass, metal, wood, paper, and fabric. Conforms to ASTM D4236. Package: clear plastic jar with black lid, 1-1/4"x1-3/8". Made in USA.