... glass NEW CUP & GLASS, GLOW IN THE DARK!!!Glow in the dark drinking cup detail information Item measurement ... 29-37ml 72pieces/cartonFrankly speaking, drinking in the dark is a very difficult task , luckily we produce this kind ... 10-20 minutes,then emit its light in the dark , give you a big surprise and ... part in party with friends , Glow glasses are the focus when they shine brightly .Would you like ...