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. Designed and Created By Molded From Love! 2 2" chibikawaii melty saturn shapes Do not put in oven. molded from love 2016 Pieces made can not be used to make in to molds for resale.