Black bamboo has culms that are green when they first emerge from the ground, and within months they acquire the natural black color with dark-brown patches that gives this bamboo a beautiful, rich, appearance. The culms of this bamboo are used extensively in Japanese woodworking and are excellent for indoor and outdoor decoration. Our Timor black timber bamboo poles come in an average of 3-4 inches in diameter. They are made up of a thick wall heavy bamboo and are crack resistant. One pole per package. 3"D x 72"L