Tekk Nate Robinson Monster Jam Mini Hoop Watch video of 3x dunk champ Nate Robinson and kids dunking on the hoop. Video last thumbnail on the left Strongest and most durable mini hoop on the market - now you can dunk like the pros 18x12 - inch shatterproof 1/4" polycarbonate backboard. Two times thicker backboard than other mini hoops 9.25" inner rim diameter is bigger, thicker and stronger than other mini hoops. Looks exactly like a real pro rim Solid steel spring loaded pro rim, identical to what is used at pro/college level Easily installs over any door or on the wall (wall mounting hardware not included) Comes with 5" diameter high grade basketball, ball pump and one year warranty If you have any assembly, parts or warranty questions contact Tekk directly at customerservice@tekk.com Easily installs over any door or on the wall (wall mounting hardware not included) Comes with 5" diameter high grade basketball, ball pump and one year warranty If you have any assembly, parts or warranty questions contact Tekk directly at customerservice@tekk.com