R&F Handmade Paints Encaustic Medium Bagged Paint, 1-Pound Handmade in the usa Available in 1-pounds, 5-pounds and 10-pounds bags Composed of 100% pure pharmaceutical grade beeswax, singapore-grade damar resin and chemically pure pigments Conforms to ASTM D-4236 Avoid overheating this product. wax will release toxic fumes when heated above decomposition temperature. do not heat above 200-degrees fahrenheit. use with ventilation.