Twisted Knotted Black Polyethylene Nets are hung on the square and designed specifically for softball/baseball use. All JUGS batting cage nets come with JUGS Hitter's Door for easy in-and-out access. Knotted nets have higher overall strength and durability. Polyethylene netting doesn't absorb water which prevents rotting. JUGS netting is hydraulically depth stretched to improve knot tightness and reduce stretching/shrinking over time. The nets are offered in the following weights: #27, #42, #60. Installation kits and frames sold separately.