Great recreational-quality standards! These base and pole combos set a new "standard " for recreational activities. Fill with sand (80 Lbs.) or water (50 Lbs.). SIZE: 20'' x 30''. Square poles constructed of high-impact PVC feature push-button adjustors for multiple height settings. 8'H pole adjusts from 52''H to 98''H in 4'' increments. Features stabilizer rod that attaches from the base to the pole to keep the system sturdy. Each.