1.plastic stair: 2.size:270*81*51cm H:120cm 3.LLDPE 4.TUV EN1176 5.non-toxic,invironment-friendly plastic stair:1.size:270*81*51cm H:120cm2.usage: slide for outdoor playground equipment3.material:LLDPE from south Korea4.technology: rotational plastic mould;electrostatic powder device, and so on5. it meets the sdandard of TUV EN 1176 plastic part-120 robot stair