Description: Light Up Designed: 7 color RGB LED coasters can create a and colorful atmosphere. Each coaster comes with its own adhesive backing for easy application3 Mode: Steady, fast flash, slow flash, can make ordinary bottles beautifulEasy to Use: Just need to paste the coaster on the bottom of the bottle or drinking glassVersatile Use: These light up coasters are great for enhancing the ambiance at various events such as beverage advertisements, bar, nightclubs, weddings, and partiesMaterial and Size: Made from foam and electronic components, each bottle light is sturdy yet lightweight. The dimensions of each individual light are 6cmx6cmx3mm Specification: Material:Foam and Electronic components Size Chart: 6cmx6cmx3mm/2.36inchx2.36inchx0.12inch Package Includes: 12Pcs LED Coasters Note: 1.Please allow 1~3 cm error due to manual measurement, thanks.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.