[High quality slider]: Our sports ball is made of soft, low odor, flexible and durable PVC. The anti cracking and anti slip at the gym level can keep elasticity and softness in any complex posture. The high safety fitness ball is relatively safe in sports and is not easy to cause injury. [Improve core strength, balance and fitness]: The fitness ball has many uses. This yoga ball is not only suitable for yoga, Pilates and ball chairs, but also for relieving body pain, pregnancy gymnastics, ab training, parent-child interaction, etc! You can use it at home, in the office, in the gym. [Create a perfect body]: Our fitness ball will be a wise choice for you to strengthen your back, abdomen and core, so as to have a perfect and healthy body. The ball has a high density and weight structure, giving you a comfortable sports experience. [Perfect gift]: This yoga ball chair comes with a beautiful box. Great for colleagues, friends or family who enjoy their physical strength and ability! [Packing list and service] The fitness ball set includes 1 ball, 1 manual pump, 1 air plug, 1 small tool and fitness guide. You can easily inflate the yoga ball to the hardness you like. 55cm yoga fitness ball, anti burst and anti slip resin fitness ball yoga ball fitness ability balance ball delivery ball with quick pump - home gym office chair