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. Design By Molded From Love Kawaii Cell Phone Shape You chose your size! See 2nd Pic 2 1/2" 2" 1 1/2" Or pallet of all 3 deep inside for embedding! Molded From Love 2018