Made of high-quality PVC material, the explosion-proof yoga ball can handle the most rigorous exercise, weighing up to 600 pounds (about 272.2 kg), without worrying about the mechanism bursting or the balance ball losing its shape; The surface of this household fitness equipment is coated with anti-skid glaze to ensure that you have appropriate safe grip when wearing, relieve back pain, or as a delivery ball to relieve pain during pregnancy; Excellent stability ball for Pilates and physiotherapy. When used as a birth ball, it is a good auxiliary tool for expectant mothers. In addition to these functions, it can also help improve posture and core strength as a fitness ball chair; The fitness equipment of the family gym is equipped with a fast double acting ball pump, which can be easily inflated by hand. Your fitness ball is not inflated and can be easily pumped out in a few minutes.