This 4"(+/-) cork coaster is perfect for under your drink! Cork naturally absords moisture, and this will protect your surface. These coasters are the 1/4" thick and heavy ones!  Several styles available - you can order by the number under the coaster you want in the picture.  If you don't see yours, ask us to make it. WE CAN PUT YOUR BUSINESS LOGO ON A COASTER! Yes, we do bulk discounts