... galvanized inside & outside, 120g/m2 zinc coating (Including W-Leg, Leg-Extension, Top Rail, Net Poles)2) Jumping Mat: 280g/m2, woven ... , blue colour3) '8' shaped Clamp: to fasten Net Poles to W-Legs quicklyUsage scopeSpecial for kindergarten, residential park,school amusement park ... are sincerely welcome everybody to contract with us. 2011 patent 4pcs bungee jumping trampoline