- High-quality materials and design: The LED coaster set is made from transparent acrylic that is non-toxic, safe, and moisture-resistant. The coasters are reusable, easy to clean, heat resistant, and environmentally friendly, adding a touch of sophistication to any setting. - LED coaster set for glasses: Includes 6 luminous coasters for glasses. Powered by 2 x batteries, with no tools or wiring required for installation. To activate, simply press and hold the power switch for a second. - Seven light modes and simple control: Features seven different lighting options to suit various moods and events. The on/off control allows quick, effortless operation. The fully sealed waterproof design enhances reliability and prevents battery contact problems. - Replaceable battery for enduring brightness: Batteries can be easily replaced to maintain brightness. Peel off the sticker on the bottom of the coaster, replace the two button cells, and reapply the sticker to keep the coasters ready to illuminate drinks and enhance your surroundings. - Practical use scenarios: - Home entertaining: enhances cocktails and beverages during dinners, parties, or casual gatherings. - Hospitality and bars: creates ambient lighting for drinks without interfering with conversations. - Outdoor events or gifting: suitable for picnics, gatherings, or as a practical, elegant gift for hosts and guests.