Description: Small round tile design Cork Coaster is made of natural, eco-friendly material derived from the bark of the cork oak tree. No trees are harmed when harvesting cork, only the cork bark is removed and it regrows. It prevents damage to table surface, and offer a great opportunity into many promotional markets. Product Size: 44 mmW x 44 mmH x 44 mmD. Packaging: Loose Packed. Colours: Natural