Backstop System. Never chase down misdirected balls again. This backstop system measures 21? high by 65? wide and will catch just about anything that you throw or hit its way. Constructed with (4ea.) 3- 1/2" galvanized steel poles for superb portability and durability. For ease of assembly the unit includes a 3mm 4" mesh EHT black net(275lb breaking strength) with easy on and off pulley system and (4ea) aluminum ground sleeves. This backstop weighs 360 lbs so be sure to bring a couple of friends along for set and tear down.