-Free Adjustable Height with 2 Poles from 4.3FT to 8.2FT. -The built-in wheels facilitate easy mobility. -With ASTM and CPSIA certification for safety use. -The base with 55 lbs Water 77 lbs Sand or 88 lbs Water and Sand filling for stability. -Fitted with ball storage on the base for easy access to basketball. -The water-proof pole allows for outdoor use. -Equipped with shatterproof backboard for prolonged service life. â- Wide Adjustment - With a large range of adjustment the height of this b