【Colorful LED Drink Coasters】The ultra-cool LED coasters contain 6 lights with 3 vivid RGB colors of red, green and blue and with 3 lighting effects of fast flashing, slow flashing and always lighting. Ultra-cool LED drink coasters make your bottle stand out and create a romantic and elegant space for you. 【Long Battery Life】Each lighted coaster has built-in 2 CR1620 button batteries, compared to CR1200 batteries, our batteries can last for 8 hours to meet your needs at the party. If the batteries are no longer working, just gently tear off the sticker, take out the circuit board, then take out the old battery and replace it with a new one, finally attach the stickers. 【Quality Material】Compared to older versions on the market, KEROVI LED drink coasters are more waterproof and non-slip. They are made of high-quality PC material, which is more durable, safer and more environmentally friendly than coasters made of acrylic. 【Wide range of applications】The round LED light coasters can meet your needs in various occasions, such as parties, dating, family gatherings, annual corporate events, KTV, bars, cafes, discos, slow clubs, leisure clubs, clubs, parks, gardens, restaurants, etc. Is the perfect solution for boring places. 【Perfect gift choice】The charming LED bar coaster - a must-have for your indoor/outdoor drinking nights! Is also a perfect birthday gift option for your children, family or friends, not only can they get 6pcs LED coasters, they also get 3pcs replacement stickers.