Improve balance and strength: inflatable donut balls can improve core strength, balance, coordination and flexibility.Professional durable design: thickening design, made of skid-resistant durable PVC material.Light weight, safe, non-toxic and no odor.It is suitable for body building yoga, leg exercises, core training, balance training, which can be used in gym, home or office.Item Name: Yoga BallMaterial: PVCFeatures: Thicken, Donut Shape, Inflatable, Fitness ToolSize: 50cm x 50cm x 30cm/19.69" x 19.69" x 11.81" (Approx.)Notes:Due to the light and screen setting difference, the item&39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Yoga Ball1 x Air Pump