China professional supplier of water roller 1.size: 3.2Lx3m Dia 2.material:TPU Inflatable water zorb ... Ball also named Hill Ball, Inflatable grass plot ball, Inflatable roller ball, land ball, Inflatable human hamster ball, giant inflatable human ... . inner diameter: 2 M outside diameter: 3 M Skin thickness : 1.0MM (pvc)Weight:72kgSafety impact: 650KG Include:repair patch included ...