Cork Material: Coasters are made of 100% natural cork, no special maintenance required. Wipe clean with a damp cloth after use. It thus slowly absorbs water dripping on it, keeping your table dry and preventing unwanted stains. Cute and beautiful product appearance, it is a good choice whether in the office or at home, not only a coaster, but also a beautiful decoration PROTECT FURNITURE: These drink coasters feature a durable cork back to help protect furniture or tabletops from scratches or scuffs. Works on any surface such as wood, glass, stone, tile and more. QUANTITY & SIZE: Natural cork coaster set includes twelve 4 inch diameter coasters that are 3/8 inch thick to almost fit mugs such as coffee mugs, wine glasses, mugs, and more! MULTI-PURPOSE: The coaster set is perfect for use in different situations, suitable for your home, kitchen, living room, man cave, bar, coffee table or college dorm, enjoy laughter and your favorite beverage. Color: Brown Material: cork Package Contents: 12 x cork pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.