Our peach tempera is concocted with a special formula that has unique properties not found in conventional temperas. . .allowing users to even paint on most glossy surfaces like glass and plastic! True primary colors are ideal for teaching color mixing and color theory. This heavy-bodied paint will not run or settle, and is freeze-thaw stable. Can be painted over once coat is dried. Comes in a safe plastic container. Paint is non-toxic, chip-resistant and opaque.