***MATERIAL*** VISESUNNY Drink Coaster is made of Ceramic stone and Cork base which works better than silicon or wood coasters. ***SIZE DETAIL*** The size of coaster: 3.9×0.2in Inner package of per item: 4.3×4.3in ***ADVENTAGE*** High Temperature Resistance Absorbent Table Protection Will not stick to the bottom of your glass Marble Ceramic Stone Non-Slip Cork Bottoms Helps Prevent Rings and Water Damage Easy to Clean and Wipe Down ***APPLICATION*** It can be used as a cup cushion, a bowl cushion, a dish cushion or just a decoration. It can be used as home & office decor, barware set, bar service mat, bartender supplies or tablepad. Click "Add to Cart" on this novelty drink coaster sets of for yourself or your friend. We believe those coasters will satisfy you better.