"High Quality and Professional Performance: Made of soft PVC, low odor, flexible and durable. With explosion-proof and anti-slip function, it can remain smooth and soft in any complex posture.Mini 9-inch multifunctional exercise ball: very suitable for sisters with abdominal muscles, hands, and calves that are too fat. The 9-inch mini yoga ball is a very convenient, small and portable ball suitable for carrying to the gym/travel/train.Suitable for users of any age and occasion: improve flexibility, strength, balance and posture. For women, long-term use can effectively shape the body and shape perfect curves.Yoga Inflation Method: Each product is equipped with an inflation tube, which allows you to easily inflate the yoga ball. Please note that in order to better utilize recycling, it is recommended to only fill 70% to 80% of the air."