Frame tube: Hot dip galvanized and coated with zinc.Tube thickness: T1.5 / 1.4 / 1.2mm
Frame Socket : Welded frame socketand an extra metal plate welded for strengthening
Spring: Zinc-plated and have passed endurable, fatigue tests
Jumping mat : Made of PP and 8 rows of stitching
Spring Cover : Top layer PVC( T0.35 / 0.45 / 0.55mm) +Bottom layer PE; Both top and bottom layer PE
safety net : Made of PE and enclosed with Arched Zipper
Pole Cap : Fixed by spring button
Loading QTY : 370 to 220 depend on the size of containers and size of round trampolines