... flashing drinking cup with many colors 1)catch client's attention 2)promo you products flashing drinking cup with many colors specification:1.Size: ... 7.5(top dia)x9(H)cm, Volume: 350ml 2.Battery powered , ... flashing ,and fade-in ,fade-out ,several automatic fuctions,colors appear alternately use in:bars ,parties,weddings,gatherings,disco,KTV ...