Using 100% cotton and monks cloth, punch needled these unique mug rugs, the perfect coffee coaster, candle mats, small plant mats and more!! Very cool looking while protecting your surfaces. I backed these with cork so they will not slip around. Perfect for tables, computer desks, work desks, coffee tables and more. Other info: - approx 4 round - cork backing - hand wash with mild detergent - air dry Because each mug rug is made at time of order, variations may occur but will be as close to picture as possible.