Color:Solid Black Get a set of coasters to keep your table dry and clean with this highly absorbent fabric neoprene rubber coaster. Fabric top easily and quickly absorbs condensation and spilling from mugs and cups. Made of durable polyester fabric on top with non-slip rubber backing. Perfect use as cup coaster, mug coaster, beer coasters, coffee coasters, wine and whisky coasters. Suitable for hot or cold drinks. Washable and reusable by washing with mild detergent to remove stains or dirt. Many beautiful designs to choose from and great decorative pieces for home, office, bar, restaurant and gift item. Sets of 4pcs coaster from Caribou Coasters, design includes: Solid Black coaster. Size: 3.93 inch x 3.93 inch (10 cm x 10 cm). Thickness .12 inches (3 mm).