Size: 55cm Colour: pink Material: PVC Package content: 1 * yoga ball 1 * pump 1 * pneumatic traction 2 * air lock 1. 【Explosion-proof system】: High quality PVC material and innovative explosion-proof system make the practice ball wear-resistant and must be prevented from bursting. Note: Explosion proof systems have functional limitations. Becompatible withe and when using the ball, always make sure that the ball is undamaged. There should be no sharp objects on or near the floor to avoid damaging the material. 2. 【Multifunction】: The fitness ball is the perfect addition to your home gym. Whether Pilates, yoga, find exercise or abdominal training. It is also very suitable as a sitting ball in the office or at home. 3. 【Non-slip surface】: As the surface of the sports ball is slightly rough, it is particularly non-slip and wear-resistant. In addition, only non-polluting and therecompatible withe skin-friendly materials are used in production. 4. 【Easy to inflate】: Use the quick-inflate floor pump in the easy-to-use box to save time and efcompatible witht. It only takes a few minutes to inflate the stability ball. Equipped with 1 air pump, 1 air tube, 2 air plugs and 1 valve puller. 5. 【Variety of uses】: Exercise balls are intended compatible with core strength balance. Use our exercise balls compatible with a wide range of active exercises such as yoga, pilates or cross fit to improve strength. Our exercise balls are also useful while sitting at a desk, labor aid during pregnancy and childbirth. Note: Data is manual measurement, please allow 1 error -20cm, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.