This mold is made using a Poly- 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-Great Fangs and 2- Great Vampire hearts Fangs measure approx. 2" wide hearts measure 2" tall Do Not Allow Mold to be near Heat Or Flame- Do not put in the oven.