Transparent Shatter Proof Poly Carbonate Back Board. Strong 3.5" Poles system. Material 3mm Poly Carbonate Height (cm) Adj. Height 7.5 ft to 10 ft. (227 to 305 cm) RIM 18x16mm solid steel, black, 3 pcs of 3.5” (89mm) pole system, Base Vinyl heavy duty base with transport wheel, can be filled with water or sand Net Wt. (Kgs.) 43.5 Kgs.