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Thickened material meets usage requirements for both grass and snow surfaces.
Double-layer air chamber + independent ventilation system ensures internal air circulation.
Four sizes adapt to users of different age groups.
Sphere center of gravity calibration system prevents continuous rolling.
| Children's Version | Outer Diameter: 2.0m / Inner Diameter: 1.4m |
|---|---|
| Teen Version | Outer Diameter: 2.4m / Inner Diameter: 1.6m |
| Standard Version | Outer Diameter: 2.6m / Inner Diameter: 1.8m |
| Large Version | Outer Diameter: 3.0m / Inner Diameter: 2.0m |
| Material Options | 0.8mm PVC or TPU |