This is a Durable plastic that is made for Resin Casting. Pieces pop out easily-May have a few water marks, but a thin coat of resin or resin spray will take care of that. This Mold features 3custom designed and made by Danette Mullen 21/2" chibi Crescent Moons with Bows Pieces made using this mold Can NOT be used to remake into molds for resale. Molded From Love 2015