Detailed Product Description Features:1) Boards are manufactured by hand from plywood2) They are sealed with a waterproof coating, then with varnish surface. This is to assure a long life for the boards3) Material: usually is poplar wood, we also have other timber4) Specifications: 30", 35", 37", 39", 41", 43" and other customer required specifications5) Please visit our website, and give us a ...