Visionchart Corporate Cork Pinboard 900 X 900MmDescriptionSpecificationsShipping Naturally grown cork is a wonderful and renewable resource. The natural choice Cork is naturally harvested from specific oak trees (Quercus suber). The cork (or outer bark) is gently harvested from the trees when they are 25 years old Cork harvesting is done entirely without machinery The bark regenerates and the tree continues to thrive and grow reaching at least 150 250 years old Non toxic, water soluble,