flash light up cups,[2 pcs] automatic water activated led glowing wine glasses liquid activated multicolor led glasses ahblqd <p><b> package quantity:</b>2 pack</p> <p> <b>material:</b> acrylic organic glass (transparent cup)</p> <p><b> 7 color: </b>the color of the light is change automatically.</p> <p><b> capacity: </b>7 oz , opening diameter 2.87" / height 3.35" </p> <p><b> power: </b>2*2025 cell batteries (replaceable)</p> <p> <b>duration: </b>10-40h</p> <p><b> weight:</b> 4oz</p> <p> <b>water activated:</b> it glows automatically when drinks are added, turns off when there is no liquid left</p> <p> <b>occasion:</b> party, bar, club, birthday party, home gathering, christmas decoration, holiday, disco, ktv, home</p> <p><b> available liquid:</b> water, beer, wine, whisky, vodka, martini, drinkware, coffee, tea, etc</p> <p> <b>note:</b> never put lighted glass in the dishwasher. gently hand wash only & keep moisture away from the base to avoid contact with batteries.</p>