Size: coasters: 4\" x 4\" x 0.1\", holder: 5.75\" x 4.15\" x 1.5\", includes: 6 coasters, 1 holder. High heat-resistance, long lasting ensures the ability to hold all of your hot and cold beverages. Coasters feature a non slip backing and ensures your surfaces do not get scratched, it will not stick to your glass anymore. Present a mini practical plastic box opener, easy to open the next package. 100% money back guarantee & LIFETIME replacement warranty ensures customer satisfaction.