Fortress Mini Baseball Hitting Cage Net [Net World Sports] Open ended FORTRESS batting net. Options of #36, or #42 weight HDPP twine. Includes built in tie cords/tails + additional central roof salvage One piece of net. Vertical + Horizontal edges all have heavy duty overlock edging UV Stabilized & Rot Proof Twisted Twine [Knotted], in a 1 3/4" Square Mesh