Are you looking for a professional, yet coaster for ? , ! Our professional cup coaster must meet you needs. Convenient and safe to be used as a cup holder in the . It is one of the for you. Features - Color: Assorted Color. - Material: Acrylic+ . - Size: 7.00 x 7.00 x 1.00 cm/ 2.75 x 2.75 x 0.39 inch. - USB powered mat and atmosphere lamp, energy saving in sunny days and no need to worry about the rainy days. - Built-it sensitive light sensor and vibration sensor, this cup mat will automatically turn on at dark when it feels vibration, and turn off after about 15s, make it easier to find the drink slot. - Drink glass bottle cup coaster mat and atmosphere lamp. - Convenient and safe to be used as a cup holder in the . - With dust-proof and waterproof material, the cup coaster mat help keep your cup groove clean and tidy. Package list: 2 x Coaster