Food Grade Flexible substance: Made with safe, bendable and green kitchen silicone, perfect for making favorite cold drinks like carbonated drink, fruit juices or iced coffee Strong construction outperforms fragile versions Easy to Use freezing Treat Creator: Soft silicone design enables simple ice removal carefully separate covering and push top section More practical to clean and store against traditional holders, great for making chilled beverages Unique Cylinder Ice Molds: Designed to fit 30oz containers and popular drinkware, creates three choices for various needs Stackable build helps maintain cool temperature in mixed drinks, coffee or chilled beverages Leak Proof with Removable Lid: Secure closure prevents spills and keeps appliance tidy by firmly holding freezing pieces Enjoy neat, freshly made shapes for cocktails, mixed drinks or any cooled beverages Temperature Maintaining Premium Ice Forms: Cylinder shape reduces fast melting while keeping drink flavor Connecting feature works with tall glasses or individual servings in different drinks, improving cooling enjoyment