This basketball hoop is constructed of anti-rust painted iron posts, shatterproof PVC and PE backboard and base, and a durable nylon net. The tank base can be weighted with water or sand to ensure stability and safety with every shot. The base also has wheels so you can tilt the hoop forward and easily move it anywhere. The height of the rim is adjustable featuring 6 different slots for height adjustment. This height-adjustable basketball hoop can be set anywhere from 9.2 foot to 7.2 foot height for indoor or outdoor games.