Made of food-grade silicone that is durable and safe for use. Temperature tolerance ranges from -40°F to +230°C (-40°C to +230°C). Compatible with instant pots, ovens, freezers, microwaves, and dishwashers. Includes 12 individual cavity slots. Each cube slot holds 2.5 ounces of liquid and measures 6 inches x 7/8 inch x 7/8 inch. Slow-melting ice cubes are ideal for chilling whiskey, tequila, and other spirit-based cocktails. Soft silicone construction allows ice cubes to release easily. Individual compartments enable simple ejection by pushing up from the bottom. Fits stainless steel water bottles with a diameter larger than 1 inch. Not suitable for narrow-neck plastic bottles such as arrowhead or perrier-style bottles. Fill the tray with water and place in the freezer. In addition to water, you can use fruit, juice, pulp, soda, wine, or other liquids to create flavored ice cubes. Suitable for various uses including freezing rods, resin casting, and pressure cooker applications. Designed with flexibility for easy release. For added stability during handling or transport, place the mold on a flat tray or another supportive surface.