flash coke glass Material:acryl,500ML,led flash cock glass colour:red,yellow,blue,green,white,multi-colour flash cock glass flash coke glassMaterial:acryl,500ML,led flash cock glass colour:red,yellow,blue,green,white,multi-colourflash cock glassflash coke glassMaterial:acryl,Size:500ML,LED colour:red,yellow,blue,green,white,multi-colourwhen you put the beer in,it will flash