Dear customer, welcome to our store, thank you very much for your purchase and supportproduct specificationProduct Category: Luminous CoasterProduct specification: 6cmProduct Quantity: 20Product material: foam, electronic componentsProduct light source: LED chipLight color: yellow, red, blue, green, white, pink, warm white, purple, colorfulApplicable: water glass, wine glass, wine bottleApplicable scene: bar, restaurant, household, etc.Product features: 3M glue can be pastedProduct ListYellow light coaster*2Red light glow coaster*2Blue Light Glow Coaster*2Green light glow coaster*2White light luminous coaster*2Pink lamp glow coaster*2Warm white luminous coaster*2Purple light luminous coaster*2Colorful luminous coaster*2Colorful eight-segment luminous coaster*2scope of application1. Pull out the insulating sheet2. Tear off the 3M adhesive3. Stick the coaster on the bottom of the cup or the bottom of the wine bottle4. Press the ON/OFF switch to adjust when usingAbout this productHigh quality material:This product is made of high-quality raw materials, and has been manufactured with fine craftsmanship in the production process, and the quality has been strictly checked. The strong material is not easy to damage, and the thinner material is more beautiful. The back has good 3M adhesive, which is not easy to fall off, can be reused, and has a long service life.Rich LED colors:This LED luminous coaster can emit brilliant colors, and the quantity of 20 pieces includes rich colors such as yellow, red, blue, green, white, pink, warm white, purple, and colorful. It has a variety of lighting modes such as fast flashing, slow flashing, colorful changes and other lighting modes. The unique reflective sticker design of the coaster, the light can be refracted to every angle, and the circular flash can create a great atmosphere.Ease of use:The operation method of this light-emitting coaster is very simple. First, pull out the insulation under the coaster, tear off the double-sided adhesive on the back and stick it to the bottom of the cup, and turn on the ON/OFF switch to adjust it when using it. After turning on the switch, the gorgeous and shining LED lighting effect can be bloomed. Delicate and compact coasters are lightweight and portable, you can take them with you anywhere to give your drinks a unique and cool look.Wide range of applications:Create a fun and cool party atmosphere with these light-up LED coasters. It is suitable for pasting on water glasses, wine glasses, wine bottles and other places in bars, restaurants, families and other occasions. Colorful coasters are perfect for drink decorations whether at a catering, party, birthday or wedding party.Multiple quantity and multiple light colors:This product is not only outstanding in quality, but also in that the cost-effective price allows you to have a large number of coasters with more light colors. This product contains a total of 20 luminous coasters in ten different colors and styles. The abundant quantity and beautiful price allow you to have a better purchasing experience. There is no need to worry that the quality of the product will decrease due to the increase in quantity. This product has good quality and low price.If you have received a defective item or have any other questions, please contact us via the Mercadolibre message system. We will reply you within 12 hours and try our best to solve your problem, please do not make a claim, trust our service quality, we will give you a satisfactory answer.