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 is a cute Christmas Tree available in 2 sizes- LARGE- Approx. 4.2" x 3.5" x 1.6" deep SMALL -Approx. 3.5 x 3.5 x 1 3/8" Deep molded from love 2021 Pieces made can not be used to make in to molds for resale. Copyright Molded From Love 2021