Making skull-shaped ice cubes for your drinks with this ice tray should be everyone’s favorite activity. </br></br> First that makes four skull ice cubes at once. Skull ice cubes keep your drink colder longer, so this grenade will keep your drink cool without diluting its flavor. And if you use coloured water, then they will look great floating about in a drinks glass or punch bowl. Make your drink sparkle and shine. What an awesome addition to your Halloween, Spooky or Pirate Party, summer pool parties, home bars, restaurants, beaches, holiday events. </br> You can even use skull ice cube molds for cooking projects, like chocolate making, so why not stock your kitchen with a bunch of skull-shaped goodies and really relive that goth phase that you never quite grew out of.</br></br>Make your own skull ice! Put these skull ices in your drinks and enjoy your happy time with your family and friend.</br></br>User tips:</br> 1.Clean before use.</br> 2.Fill up the tray - Each skull is about 0.85oz/25ml with funnel. Boiled water or distill water is better to make clear skull ice cube.</br>3.Press down gently and make sure the lid close tightly when use.</br>4.Put them in the freezer for at least 4 to 6 hours, overnight is better.</br>5.Twist, open and remove your ice cubes!