Cando Inflatable Exercise Ball (Super-Thick, Green, 26 inches)
If you want to get the thickest and strongest exercise ball, then the Cando super-thick inflatable exercise ball is perfect for you. This exercise ball is made of extra heavy phthalate free material and can support weights of up to 270 kilograms when fully inflated. The green Cando super-thick exercise ball measures 26 inches in diameter.