You will amaze your guests with these glasses which light up on contact with liquid: as soon as you start pouring, the light display begins, with alternating blue, red, green and yellow reflections ... intensified by the facets. And when the glass is empty it all switches off, and it's time to top up your guests again! In plastic. Each glass has 5 LEDs and works with 2 button cell batteries, provided (CR2025). Height 8 cm, diam. 6.8.cm. Capacity 200 ml. Set of 4.