DescriptionThis product is a LED coaster, which is made of premium and durable material, not easy to break and damage, long serving time. Can be used for personal home, bar, KTV, party and some other occasions, decorative and beautiful.Features-Material: Acrylic. -Size: About 10.00X10.00X0.40cm/3.93X3.93X0.16inch. -Note: 2 x CR1620 button battery, the battery can be replaced when it is used up. -Made from premium acrylic material, it is durable, practical to use. -Can be used for many places, such as home, bar, KTV, store, etc. -Press it to turn on or off the lights, good decorative effect. -Suitable for birthdays, holidays, Christmas, Valentine's Day, etc. -A nice gift choice for your close friends or families.