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 2 kawaii stomping Dinos each one is approx. 2 1/2" x 2 1/2" Pieces made using this mold Can NOT be used to remake into molds for resale. Molded From Love 2017