CRYSTAL CLEAR ICE CUBE TRAY Clear ice cube maker uses innovative directional zing technology. The foam insulation box freezes ice cubes from top to bottom, pushing air bubbles into the reservoir below and leaving a clear ice cube above. This clear ice maker is a great way to make ice cubes for cocktails at home. SLOW MELTING WHISKEY ICE CUBES Large ice cube tray is designed to make 2-inch slow-melting ice cubes for whiskey, ensuring your drinks last longer without the flavor getting watered down. The set makes 8 clear cocktail ice cubes, which is perfect for parties and gatherings. Whiskey ice cubes are visually appealing and elevate your cocktails. EASY TO USE CRAFT ICE MAKER MACHINE Pour filtered water into the top of the vessel and place on a flat surface for 24-30 hours. Please make sure to minimize any vibrations during freezing, including when opening and closing freezer doors. Before using an ice cube, let it sit out at room temperature for about 3 minutes. Otherwise the ice cube may crack as soon as liquid touches it. MULTIPLE APPLICATIONS SQUARE ICE CUBE TRAYS Large cube ice tray works great to chill bourbon, whiskey, cocktails, brandy and other beverages. Directional zing cocktail ice cube tray can be used in bars, offices and restaurants. Clear ice is perfect for custom cocktails and provides a great presentation.