item: flashing led cups colorsred yellow, blue, green (material: PS) Logo can be printed it could do your onw LOGO on the cups Press on/off switchs1.Add a touch of glass to your next party, create a romantic and warm and harmonizing atmosphere.2.Made of clear PS or Acrylic plastic with LED lights that shifts through 3 modes by touching the button- fast blink, slow blink, and steady-on.3. ...