Core Kitchen Gemstones / Diamond Silicone Ice Cube Tray / Mold - Onyx BlackAdds that special touch of fun and elegance to any drink. Six unique gemstone shapes in an easy to fill trayThis Core Kitchen Gemstone Ice Cube Tray adds that special touch of fun and elegance to any drink. Six unique gemstone shapes in an easy to fill tray. Flexible silicone means ice is easy to remove. Made from food safe BPA-free silicone this tray is heat resistant to 475F and is also great for making chocolate and candy. Dishwasher safe. Product Dimensions: 6.75" x 4.75"* Flexible silicone for easy to release ice cubes* Creates 6 unique gemstone shaped ice cubes* Food safe BPA-free silicone, heat resistant to 475F* Multiple uses - great for making chocolate or candy* Dishwasher safe.