Qyality reference: They are the world design, we use 0.5mm thickness 1000D pvc fabric for jumping part,and 0.45mm thickness 500 Qyality reference:They are the world design, we use 0.5mm thickness 1000D pvc fabric for jumping part,and0.45mm thickness 500D pvc fabric for inflatable part.This quality just for your reference,we can make it according to your requirment!