Constructed from #42 Twine Size knotted HDPE(High Density Polyethylene). Includes all deluxe features. For youth through commercial applications . fits in the typical batting cage square seen at most parks & fields. Net is hung on a square . which absorbs the impact of the balls over several meshes with no high spots to accelerate wear. UV & Weather protection is embedded during extrusion . Not a cheap coating that will flake off in a couple of years. Life expectancy is 8 to 10 years. We believe this is the best batting cage for the dollar value on the market today.