39 inches, red. The Cando inflatable exercise sensi-ball has a specially textured "nubby" surface that adds tactile and visual elements to ball therapy. The bumps also massage the user. Balls are used to improve balance, coordination, flexibility, and strength, and even just for fun. Balls can support up to 300lbs.
100% Satisfaction Guarantee: At Mansion Schools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Schools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.