Made with heavy-duty mesh netting and nylon binding, the Champion Sports 4 ft Lacrosse Pop Up Target Trainer is designed to help players practice their shooting accuracy. With four mesh pockets in the corners, this lacrosse trainer gives players something to aim for while also rebounding balls back if they miss. Featuring a pop-up design and flat frame, this trainer can be stored flat for added convenience. Length: 4 ft; Width: 4 ft; Material(s): Mesh; Nylon; Fiberglass; Playground/Gymnasium Sets Type: Pop-Up Target Trainer.