Dominate your driveway games with the Spalding 54-Inch Portable Basketball Hoop System.?Featuring a shatter-proof polycarbonate backboard with arena-style padding, this hoop delivers pro-level performance and durability. The ExactaHeight? lift system lets you easily adjust the rim from 7.5 to 10 feet, making it perfect for players of all ages. A 3.5″ Apex Angle? steel pole and a 34-gallon base with wheels provide unmatched stability and portability. Ideal for outdoor residential use, this hoop is built to handle intense play, season after season. Backboard Size: 54″ Spalding shatter-proof polycarbonate board with authentic-style padding Steel board frame Pro slam breakaway rim 3.5�� Apex Angle? Oval Steel Pole The stability base fills with 34 gallons of water or sand Base Dimensions: 53″ x 32″ x 7.5″ Two wheels Designed for outdoor residential play Packaging Dimensions: 53.81″ x 35.00″ x 11.63″ All parts for assembly included