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 is an exclusive design by Molded From Love Graphics used to make this mold were purchased and used with permission This adorable mold features 4 2" kawaii dino shapes Pieces made using this mold Can NOT be used to remake into molds for resale. Molded From Love 2016