Just For Nets JFN #18 Twisted Knotted Nylon Baseball Backstop Net #18 Twisted Knotted Nylon 1-7/8" Square Mesh UV & Weather Treated Reinforced with a 5/16" rope border along perimeter. All orders are cut and made to order in the USA. JFN Baseball Backstop Nets are made from 100% Twisted Knotted Nylon and UV and Weather Treated to last indoors or outdoors. The baseball nets are all hung on the square with a mesh size of 1-7/8&#034;. Each JFN Baseball Backstop Net is reinforced with a 5/16&#034; rope border with a spring clip at each corner. Each baseball net is made to order in the USA. The #18 nylon netting is best for recreational use or for low impact barrier nets. This works well for outfield nets or any barrier nets that are not constantly being hit with much force. This is also commonly used in backyards to prevent baseballs, basketballs, or other balls from escaping the yard. Lower break strength than nylon Good for as barrier net with little to no impact Does notabsorb water Less expensive JFN Nylon black nets are all coated with tar so it is UV and Weather Treated to last outdoors. Nylon has the higher break strength, and it is more resistant to impact than Polyethylene Nylon has excellent resistance to abrasion, and outstanding overall durability.