Lifetime 71523 Competition XL Base Height-Adjustable Portable Basketball System with 54-Inch Clear Shatter Guard Backboard 54 x 33 x 1.5-inch square shatter guard backboard offers superior strength Features three-piece 3.5-inch round poles with power lift height adjustment Orange slam-it pro rim features an arena style wraparound brace Rigid rectangular extension arms increase the playing area beneath the basket Five-year warranty