In adoption of PC materials, the cup coaster is safe and for longer time to use. The unique LED light up design makes it a special adorn for your , bar and home table. Practical and ornamental cup mat to prevent your cup from slipping. It is a nice mat for your cup to bring you good using feeling. Features - Color: grey, transparent. - Material: PC. - Size: 10.00X10.00X0.40cm/ 3.93X3.93X0.16inch. - Power supply: 2 x CR1620 button batteries(included) - Light color: Colorful. - Designed for making a unique and impressive table adorn for your , bar and home table. - This cup coaster can give a non-slip effect for your cup, achieve good protection effect. - In adoption of PC material, this cup mat is practical, and safe, withstand long time to use. - Perfect for home use or given as a wonderful present choice to your friends or family members, they will be happy. - The delicate LED light up design makes it a unique adorn, both practical and decorative. Package list: 8 coasters(button batteries included)