... great for party 1.glow drinking cup can glow 2.without any battery 3.meet CE.ROSH glow light up ... dark occasions .glow light up plastic drinking big cup great for party is your best choice for party!!! we are manufacturer ... light badges,flashing whistles, blinking ball,all sizes light stick,seven color rocking light stick,glow ball,flashing light stick,body accessories,necklace,bracelet,light ...