Come and Check Our Promo Solutions.It will make your drink glow with auto sensor light up glass. This fun glass illuminates LED colors, which is activated automatically by pouring beverage in it. A variety of lights flashing alternately, long service life, make sure every cup works perfectly. If you don't want a large glass of wine to flash for so long, the intimate button switch design at the bottom allows you to control the flash or turn it off. This glass is great for bars, nightclubs, corporate events, weddings and more. Accept custom logo. Pls check inventory and detailed info with us before placing your orders.