Luna Bean Create-A-Mold Craft Alginate Molding Powder for Life Casting (3 lbs) Product of U.S.A. Naturally hypo-allerginic & non-toxic. Easy to use. Creates exceptionally fine detail. Color changing formula. Changes from bright pink to white to indicate readiness. 4-5 Minute Set @ 90F when mixed as suggested on package. Craft formula potassium alginate designed specifically for life casting (creating temporary molds for body parts). Mixing ratios are included on the package. [If new to alginate, a complete life casting kit is recommended.]