... corrosion process.ComponentThere are slides, screw tunnel, single slide, climbing, ball pool, guns, cannon, trampoline, stairs, deck l, Stairs, Bridges ... , chain bridge, swing bridge, safe panels, soft platform, ball pool, climbing wall, climber, soft sponge ,obstacle and etc.Main material:1: ... are made of LLDPE plastic imported from Korea.3: Soft elements are made from sponge, wooden board, PVC coated ...