Alginate.

Alginate is an organic water based molding powder made from sea grown kelp. Used for making single use molds of baby and toddler hands and feet and small body parts such as teeth where fast molding time is required. Sets to a firm rubbery consistency providing high detail down to finger prints when cast. Features include: Fast setting time; Skin safe; Food safe (for candy and food casting); Safe for use with fast set resins; Superior detail capture; Water based; Warm water mix; Creamy consistency; Tear resistant; Sets in 2-3 minutes.