Cork is a natural material. Variation in colour shade and texture is a natural and attractive characteristic. Cork is the outer bark of the cork oak tree, Quercus Suber, which grows mainly in the Mediterranean region. The bark is a vegetal tissue composed of an agglomeration of cells filled with a gaseous mixture similar to air and lined with alternating layers of cellulose and suberin. The use of cork as a raw material dates back to Phoenician and Greek times.
