Specifications: The ice cubes are liquid sensitive, it will light up when you put it in water or drinks. When you take it out, dry it and it will stop glowing. Suitable for party, bars, night beer, clubs, festival celebration, family banquets and other party. Type: LED Ice Cubes Material: Food Grade Polystyrene Quantity: 3Pcs Powered by: 3 x Button Batteries (Included) Features: Nontoxic, Ice Cubes Design, Liquid Sensitive, Bar Use Size: 2.7cm x 2.7cm x 2.7cm/1.06" x 1.06" x 1.06" (Approx.) Notes: Do not eat, avoid to put ice in any high temperature drink. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 x LED Ice Cubes