Free samples are available. Ice cube mold made of food silicone, which sanitary and quality-assured. Sealed lids design makes it easy to cover ice tray tightly, and perfect tightness of lid, prevent overflowing and keep away from odors in the refrigerator. Each ice cube mold makes 37 mini cubes, quick freezing. Perfect for Whiskey Drinks, Highball, Cordial & Liqueur Glasses, Ideal for Wine Chillers, Great for Iced Coffee. Large imprint area on cover will be the most eye-catching.