Fangrui Product Details Food Safe Grade Silicone Material - This Extra Large Ice-cube Mols Are Made Of High Quality Silicone Material Which Is Food Safe Grade! It Does Not Release Any Chemically Reactive Substances Into The Water, Does Not Irritate The Skin And Does Not Pollute The Environment, Ensuring Durability, Safety And Health! It Can Withstand Extreme Temperatures To Long-lasting Performance And Stability! Reusable, Save Your Time And Money - This 8 Lb Silicone Ice-cube Is A Reusable And Affordable Ice Making Mold, You Dont Need To Spend A Lot Of Time And Money To Buy Ice-cubes At The Store, It Provides You With A More Cost-effective And Efficient Solution To Help Your Bathtub Cool Down Faster! You Only Need To Put Them In The Freezer For 12-24 Hours To Get Perfectly Large Ice-cubes, Eliminating The Tedious Process Of Making Ice By Hand! And Theyll Be Worth Every Penny Over Time, Too! Ice-cubes For Cooler - Filling Your Cooler With Ice-cubes Keep Food And Drinks Cold For A Long Time, This Oversized Silicone Ice