high quality material - The ice cube tray is made of BPA free food grade silicone. The soft and flexible silicone can be easily twisted or pushed away from the bottom to remove ice cubes for easy release. Seal Design - The ice hockey maker tray has an airtight silicone stopper that effectively keeps liquid spills out, airtight and balanced, and your refrigerator will be neat and tidy. EASY TO USE - The round ice cube tray makes 4 whiskey ice balls at a time. Just pour water into the holes of the mold. The water should not be too full, and the water level should be lower than the funnel. Then put it in the refrigerator until the water turns to ice. suitable occasion - With this ice hockey mold, the heat can be easily removed for a cool and beautiful feeling. Perfect for parties, restaurants, bars, or home use, home entertainment, holiday entertainment, and more. Wide range of uses - Not only can make ice cubes including hockey pucks, jellies, puddings, chocolates and even soaps; it's also great for chilling liquid drinks, serving cold drinks to your family or friends at parties.