Feature:1. Can strengthen and exercise muscles, improve balance, coordination and flexibility, can be used indoors or outdoors, durable and easy to use.2. Frosted surface is compressive and explosion-proof, and the foam structure is used, which is effective in anti-skid, safer and more assured.3. Very suitable for abdominal muscle training and neck massage. It can also be used as a support cushion when there is insufficient air.4. Use environmentally friendly PVC material, nontoxic and harmless, free of chemical additives and harmful substances.5. It can effectively stimulate the core muscles, increase flexibility, strength and endurance, and promote fat burning.Specification:.Item Type: Pilates BallMaterial: PVCProduct Size: After Inflation Diameter: Approx. 25cm / 9.8inWeight: Approx. 106g / 3.7ozPackage List:1 x Mini Yoga Ball1 x TubeNote:Manual measurement, please allow 1‑2cm / 0.4‑0.8in error.