led flashing cup,flashing glass,led cup Direct factory afford Promotion gift High Quality & best price led flashing cup,flashing glass,led cupFlashing cupFlashing cup:Material:PSFlashing cup with beer,wine,martini,champagne, margarita and etc shapesDifferent flashing colors Available: red, yellow, blue, pink, and multicolorLogo printing availableOn or off button on the base of the cupThree ...