Lifetime 71922 Height-Adjustable Portable Basketball System with 48-Inch Backboard Portable basketball goal system features a 48-inch Shatter Guard Black Fusion backboard made of durable, high-density polyethylene Backboard is transparent, like those in professional play, and features fade-resistant graphics Slam-It Rim features double compression springs for spring back action Action Grip pole can be easily adjusted from 7.5 to 10 feet, in six-inch increments Height adjustments can be made with one hand and without the use of tools