The most popular of our oxide latent powders, Silk Black features micro-milling to assure the finest quality, and is one of the most versatile powders available. Sirchie has followed this same formulation for more than sixty years, which attests to its popularity. Use Silk Black on non-porous surfaces such as: painted wood, metal, and most plastic surfaces. This powder offers superior contrast on light-colored surfaces. 2 ounce jar.