... client's attention 2)promo you products flashing drinking cup with many colors specification:1.Size:7.5(top dia)x9(H)cm ... flashing immediatly .6. Standard body color is transparent white, other colors can be customized.7. Fast flashing ,slow flashing ,and ... out ,several automatic fuctions,colors appear alternately use in:bars ,parties,weddings,gatherings,disco,KTV,and many other spcial occasions other ...