High performance glass backboard for collegiate and high school play Built-in adapter frame for upgrading from fan-shaped to rectangular glass backboard Backboard mounting dimension: 35′ x 20′. Pre-drilled frame for bolt-on backboard padding. Warranty: 20 years Basketball Products International (BPI) and Hydra-RIB have integrated their product lines under the Spalding brand to form the world’s largest basketball equipment company. The companies have over 70 years of collective experience in manufacturing basketball equipment and are recognized as industry leaders for innovative products. The majority of NBA teams and NCAA Division I institutions play on Hydra-RIB or BPI portable backstops. Spalding is the official basketball equipment supplier to the NCAA Final Four.