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’s weather-resistant materials are ready for play in rainy weather or sunny weather. 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. In case this hoop looks like a hassle to move . 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 . please be mindful that the backboard measures at 18″x28″ . the base at 29″x22″ . and overall height with backboard is 76.5″-97.5″. As previously mentioned . height without the backboard is 70.5″-82.3″. This item meets U.S. federal safety standards ASTM F963-17 and CPSIA and has 2 nets included!