Fangrui Product Details [silicone Ice-cube Mold]specially Customized Ice-cube Mold For Large-capacity Glasses And Mugs, Equipped With 3 Different Sizes Of Hollow Diamond-shaped Ice-cube Options. Designed Specifically To Match Your Needs, It Makes Excellent Ice To Complement Your Drinks. [made Of High-quality Food-grade Silicone]using Top-quality Food-grade Silicone Material To Safety And Durability. The Ice-cube Mold Has Both Flexibility And Sturdiness, Making It Suitable For Frequent Use. It Remain In Its Shape After Being Freeze For A Long Time And Not Break Easily. [ Diamond Shape Design] The Hollow Diamond-shaped Ice-cube Design Reduces The Contact Area Between The Ice-cubes And The Drink, Making The Ice-cubes Melt More Slowly, Thus Keeping Your Drinks Colder For Longer And Providing A Longer-lasting Cooling Effect. [equipped With A Tight-fitting Removable Lid] The Lid Is Specially Designed To Keep The Ice-cubes Hygienic And Clean. It Fits Tightly Into The Mold, Effectively Preventing The Ice-cubes From Being Affected By Po