PACKING INCLUDE: 25 pcs Multipurpose Drink Coaster (5 x white, 5 x red, 5 x green, 5 x blue, 5 x multicolor). 3 LIGHTING MODES: Rapid flash, slow flash and steady mode to meet your different needs, bringing amazing effects for occasions such as parties, weddings, cocktail parties, campfire gatherings and other nighttime party decorations. SUPER BRIGHTNESS: Each coaster has 4 Ultra-High Brightness LED lights, which can make clear containers such as wine bottles, wine glasses, champagne flutes and liquor bottles glow instantly. Different colors enhance the party atmosphere and help you quickly identify your drink. HOW TO USE: Remove the insulation insert, then peel off the double-sided tape and attach to any standard bottle or drinking glass. Press the button to turn on. Suitable for indoor or outdoor use, lightweight and portable. Tip: If the light does not work, check that the insulation tab has been removed or adjust the battery position. ENOUGH WORKING TIME: Each unit comes with 2 CR1220 button batteries (pre-installed). Battery life lasts over 24 hours, sufficient for most events. Replaceable batteries allow for extended use. Color: White Material: EVA Package Contents: 25 x Sticker Lights Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement may vary by 1-3 cm due to manual measurement.