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 a custom Designed Tamagotchi Inspired It measures approx. 21/2" Tall Pieces made using this mold Can NOT be used to remake into molds for resale. Molded From Love 2015