A set of two festive margarita glasses with stems that light up in seven difference colour options plus a colour changing mode. Raise your glass to the next level light up party glass that will give your party a blast of colour. 7 light colour modes; Colour changing / morphingRed lightGreen lightBlue lightRed Green colour mixGreen Blue colour mixBlue Red colour mixRed Green and Blue colour mixSimple one button operation, just click through the modesGive your party a blast of colour! Dimensions Glass Diameter: 11.5 cm (4.5 inches)Glass Height: 17 cm (7 inches) Each pack contains two glasses which require some simple assembly, Batteries included (Each glass uses 3 x AG13 button cell batteries)