Description Heart Shaker or Coaster Silicone Mold is a semi-transparent silicone mold which is you can use with UV Resin or Epoxy Resin. This mold can be used as a shaker and you can seal the circle with our transparent shaker film. You can also use this mold for polymer clay crafts, you will be able to get the details easily on your clay. This is a soft and flexible mold, easy to pop out your resin. This is a shiny mold, so you do not need to glaze the cured piece.