There are seven styles of flashing ice cube: Features: (#1) 1) Automatic flash after dropped into bucket, cocktail or water 2) Flashing stops when removed from liquid 3) Continuous flashing: 100 hours 4) Safe water light design 5) Color: red, yellow, blue and green 6) Customer's logo accepted (#2) 1) Cube flashes after smashing one side 2) Cube turns off after smashing the other side 3) 3.5cm ice-cube shape 4) Food safe 5) Color: optional (#3) 1) Hand on/off switch 2) Suitable for bars, discos and parties 3) Non-replaceable batteries 4) Colors: red, orange, blue, green, white, pink color and multi color 5) Customer's logo accepted (#4) 1) Hand on/off switch 2) Non-replaceable batteries 3) Waterproof design (#5) 1) Polygon shape 2) Hand on/off switch 3) Non-replaceable batteries 4) Waterproof design (#6) 1) Triangle shape 2) Hand on/off switch 3) Non-replaceable batteries 4) Waterproof design (#7) 1) Diamond shape 2) Hand on/off switch 3) Non-replaceable batteries 4) Waterproof design