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, environment friendly glues are used on our corkboards | Even our Bioboard backing board is made from 100% natural fibres | Environmental Statement | Stylish aluminium frame | Bulletin cork over thick 8mm Bioboard backing | Accepts even the longest pins | Colour coded corners .. dark grey and dark blue cover caps | Standard wall fittings supplied | Push pins supplied with each board