Deluxe Baseball Batting Cage Repair Kit, 8'x8' Netting #42 (54 ply) and Twine 8ft x 8ft section of #42 (54 ply) Heavy Knotted Premium Durable Netting, Mesh Size 1 3/4 inch, Black. Highest UV Protection and Weather Protection. For use Indoors or Outdoors HDPE(High-density polyethylene) Netting Twine Size: #42 (54 Ply), Far Superior to most Netting on the Market Today - Commercial grade quality 1 Spool Lacing Twine (1000ft). Super Long, Tarred for extra durability. Great Value (Higher quality netting and more twine than most other repair kits on the market!)