ZITRADES 4pcs/pack Multicolor Led Light up Pilsner juices glasses Bar Cups Glasses BY ZITRADES Simple push-button on/off mode selection switch Made of high quality Food-level PC Includes 2 Replaceable CR2032 Batteries. 7 colors Flash and steady-light constantly change colors once push botton. Size: Length 7.48inch(19cm) Dia 2.09in(5.3cm)