First ice cube mold that makes four large (2.25" x 2.25") alien skull ice cubes at once! These alien skull ice cubes are slowly melting, realistic-looking and fun to make! MAKES YOUR DRINK LOOK AWESOME & KEEPS IT COOL LONGER – Great for House Parties, Bars, Restaurants, Beaches, Holiday events and Holiday Gifts. Long-lasting ice cubes for Cocktail, Iced Coffee, Iced Tea, Fruit Juice, Punch, Soda Pop and Water. Fill ice tray with colorful fruits or herbs to enhance your beverage. FLEXIBLE HIGH GRADE SILICONE – FDA approved, 100% BPA Free, Non-Toxic, Food grade, Leak-free, Microwave safe, Oven safe, Dishwasher safe silicone ice cube tray with lid. This durable and flexible silicone ice tray won't crack or break like plastic ice tray; Easy to fill, use and clean.