Get to some batting practice in the backyard and never worry about breaking another window again with the Heater Power Alley Real Ball Baseball Batting Cage! Featuring metal quick-fit joints, a fiberglass frame and 6? steel ground stakes, this batting cage sets up quickly and easily. Its strong 1 1/4? polyethylene netting can stop any baseball or 11? or 12? softball. It even connects to other Power Alley Batting Cages to create longer cages for high skill levels! Connect Trend Sports Pitching Machines to its built-in harness and get cracking!