Portable Basketball Hoop and Goal with Vertical Jump Measurement, Outdoor Basketball System with 6.6 ft. to 10 ft. H Adjustment for Youth, Adults, pro-style 4-spring breakaway basketball rim holds up well against the force of emphatic slams. Standard 18 in. basketball rim with all-weather nylon net, durable for indoor or outdoor play. SPECIFICATIONS: Backboard Material Polyethylene board, Backboard Size 43.5 in. x 29 in., Pole Material Steel, Rim Diameter 18 in., Rim 4-Spring Breakaway Rim, Net White all-weather net, Base Size 21 Gal. Water / 220 lbs. Sand, Base Dimensions 42 in. x 30 in. x 6.3 in., Adjustment Type Telescoping, Adjustment Range 6.6 ft. - 10 ft., Adjustment Increments 5.9 in., Product: weight 46.3 lbs., Package Size, 46 in. x 31 in. x 12 in., Package Weight 57.3 lbs.