A. Jumping mat: Imported from USA/ made by China Domestic two types.
B. Tubes: Q345B Mn steel tube inside, powder coated outside.Thickness 5mm.
C. Foam safety pad: EPE, closed-cell foam covered with PVC fabric that will not absorb water, mildew or lose shape.
D. Springs: Super high-strength Chrome plated.
(Different material is available at your demand.)