With the XL base capacity of this Lifetime system, you get the necessary rigidity and convenient portability that you desire in a portable basketball system. Simply roll to the desired location on your premises and fill with water or sand. The innovative roller base design allows you to relocate the system after filling if necessary. This 52" Reebok Lifetime basketball system is constructed with a shatter proof, weather resistant backboard and Slam-It Rim as well as a rust-resistant, powder-coated steel structure. The portable L basketball system is built to withstand outdoor elements and the abuse of competitive play.