Cork coaster This practical and low maintenance coaster made of natural cork makes the unpleasant stains from glasses on wood tables a thing of the past! The coaster protects tables from dampness, heat or dirt, and if necessary, it can easily be wiped off with a damp cloth. These practical cork coasters are available in different colours, shapes, and sizes. Product details Material: Cork Colour: natural Dimensions: approx. 23 cm in diameter