The Bamboo Wine Coasters Well Red are coasters made of natural bamboo and are fun as well. The Bamboo Wine Coasters Well Red, part of the Wine is Life Collection, play on the homophone red, read. The book and glasses prove that you like to read and the wine bottle and full red wine glass show that you like wine! For centuries bamboo has been considered a source of good luck. Improve your luck and your decor when you place a set of the Well Red Coasters in any room. The Bamboo Coasters have foam feet to protect surfaces. Each Bamboo Coasters measures 4 1/4" square. Set of 4.