1.Bringing amazing effects on your important or happy times such as party, wedding, cocktail party, dinner party, campfire party and any decoration for party at night. 2.New DesignEach sticker has 4 Ultra-high brightness LED lights, which can make your clear containers such as wine bottles or glasses become bright and shine at once, and the new ditch part can prevent water from affecting the light, help keep glittering all the time. The light is especially suitable for bottle glorifier, light up cups at different occasions. 3.High Quality Material20pcs of each set, each of them is 3mm, made of laminated foam profiled sheet. It is flat and stable to use, will definitely add atmosphere at your happy moments. 4.There are 4 very important steps to use them correctly, otherwise products may NOT WORK Firstly, Must TAKE OUT the insulation insert, then tear off the double-sided tape, stick them up to any normal bottle or drinking glass, and click the button to turn on. Indoor or outdoor, easy to carry, can be widely used for your needs. Tips: if the light not work, please try to check if the insulation part being taken out or adjust the place of battery or contact us to confirm the problem. 5.Enough Working Time:which can last over 12 hours to meet your expectation, and you can replace the battery by yourself to let it work longer.