... 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 fade ... -in ,fade-out ,several automatic fuctions,colors appear alternately use in:bars ,parties,weddings,gatherings,disco,KTV ...