These Pumpkin and Skull shape light up ice cubes are guaranteed to make your event brighter. Your drinks will not only stay chilled, but the cubes will illuminate whatever liquid that it is submerged in. They are made of a safe non-toxic plastic that has been approved by the FDA and contain a freezable gel that is reusable. The light inside is easily turned on and off by a small button on the back of the cube and is meant to last a minimum of 12 hours. By pressing the button more than once, you have the options to have a solid or a flashing light show. These Light Up Ice Cubes are the gotta-have-it party gadget!