Product Information: When turned off this Litecube is clear. Press once to activate a fast flashing light, press a second time for a slow blinking light, and a third time to for a solid bright light that will stay illuminated up to 60 hours. Litecubes do not have to be frozen to activate. Great for wedding, parties, showers, holidays, gifts, tradeshows, benefits. Litecubes are FDA approved and manufactured of double sealed impacted acrylic and non toxic re-freezable jell. They do float and look astonishing in any body of water. Dimensions: Height: 1.4 in. , 3.8 cm. Width: 1.25 in. , 3.2 cm