Coolrunner Building Bricks Ice Cube Tray or Candy Mold-2pcs sets 100% food grade silicone. Flexible silicone candy/ice/crayon mold. Note: Freezer safe but not Oven safe. Can not put the ice mold in the microwave under high temperature heating.Or it will be melt. Enjoy the fun of playing with kids.Best gift for your family Package: 2pcs Silicone Ice Mold.