Adjustable Height (Top of Backboard to Base): 6.5ft -8ft 7. Material: PVC Backboard; PE Base; Iron Tube; Steel Rim; Weather Resistant Nylon Net. Backboard Color: Transparent; Black; Gray. Durable Construction: The Outdoor Basketball Hoop uses a thickened steel support rod and an upgraded shatterproof backboard and all brackets, middle rod, and base of the basketball goal are covered with high-quality paint so that it is anti-oxidation and rust-proof.