Giant Ice Cube Trays &ndash; 4-Set Silicone Ice Mold, Ice Maker, Flexible Durable BPA Free, Perfect for Highball, Scotch, Whiskey Cocktail, for Kitchen, Home, Party, Total 28 Cavity, Extra Large, 2 Inches FOOD GRADE SAFETY: These ice cube trays are made of 100% food grade silicone material that is FDA approved and BPA free. They are flexible, durable, eco-friendly and easy to clean. With the wide range of temperature tolerance from -40 to 450 F (0-230 C), these trays are perfect for multiple uses. LARGE ICE CUBES: This pack comes with 2 trays with 6 openings and 2 trays with 8 openings. Fill the trays with water, put the trays into the freezer, an hour later, you can easily get 2 inches large ice cubes. MULTIPLE KITCHEN HACKS: Dislike ice cubes diluting your drink? Use it to store Smoothie Ingredients, Ice Coffee, Milk, Wine, Fruit Juice, and Cocktail. You can even proportion and keep fresh of your Leftover Stock, Herbs, Sauces, and more! RELAX AND CHILL: Large cubes melt slower and slow down the dilution of the drinks, allowing you to enjoy the original flavor of your cocktail much longer. These trays are also perfect for summer time as you dont need to keep heading back to the freezer for ices! DIMENSIONS: Each grid measures 2 x 2 x 2 inches. The bigger tray with 8 openings measures 8.46 x 4.53 x 1.97 inches. The smaller one with 6 openings measures 6.5 x 4.4 x 1.97 inches. The thickness is approx. 1mm to 2mm. (0.04 inches to 0.08 inches).