This grow with me" mobile rim is fully adjustable, so kids ages 8 and up can keep playing as they grow. Use the two adjustment knobs for maximum tweaking and control, achieving a range of floor-to-rim heights between min 70.5in - max 82.3in. The elements shouldn't get in the way of your game, so this hoop is made with weather-resistant materials. Part of a durable & user-friendly makeup, its backboard is built tough to resist breakage with normal use. Plus, the base is designed with a groove to hold your ball after you play for convenient ball storage. Built-in wheels at the base allow you to move and store it anywhere! Between its adjustable height and portable design that includes easy rolling wheels, this hoop provides more than enough reasons for family fun! For placement purposes, the backboard measures at 18"x28", the base at 29"x22", and overall height with backboard is 76.5"-97.5". This item meets U.S. federal safety standards ASTM F963-17 and CPSIA and has 2 nets included!"