It’s a disc shaped coaster. Put this heat resistant table mat under a cup, bowl, or dish. You can put your hot cup, mug, bottle on your disk safely. Soft material help you put your glass cups on normal table or glass table easily. And its bottom is anti slip. The concave on the surface help to contain liquid. This can keep your table, book, newspaper, cloth and so on dry. It’s a great promotional product for company, office, school. Your logo is welcome.