Safty: Professional quality ice cube tray is made from food grade, FDA Certified, BPA-free silicone). Harmless to human body. For microwave safe, oven safe, dishwasher safe. Great for party additive for fun: they last longer than conventional ice cubes and skull shape makes your parties stunning, large chioce for Halloween party, birthday, party, bars, restaurants, Summer, Holiday events and holiday gifts. Silicone Ice Cube holder will not crack or break such as stiff plastic moulds or bowls, easy to fill, easy to use, easy to clean. Easy to remove: No more wrestling for an ice cool drink: Our ice cubes pop straight out Quick, easy release- our flexible moulds make removing ice a breeze; simply allow 2 minutes once removed from the freezer for the ice to loosen. ldeal for families, parties, cocktail parties and bars. Enter your drinks the cold: crystal detailed head shapes, the cool your drinks in style without water, durable ice cubes ideal for whiskey, cocktail, iced coffee, ice tea, fruit juice, soda pop and Cola.