Made of the highest grade natural rubber, Black Lagoon Classic Mask Latex has developed the creamiest, even-coating formula available, yielding highly detailed castings with optimal stretch and consistent durability. Developed by artists in the Special Effects Industry, this latex is widely used for prosthetics, mask making, and props. Can be brushed, poured, or slush cast. A gypsum, Hydrocal or Ultracal 30 mold is recommended. Do not allow product to freeze. ORDERS PLACED IN WINTER MONTHS WILL REQUIRE A SIGNATURE TO PREVENT FREEZING.