Relax your back on the stability ball back and unwinds during the boat stance.
Available in 5 different sizes 45cm, 55 cm, 65 cm, 75 cm and 85 cm to suit users of different heights (in the range of 150-190 cm).PICK THE RIGHT BALL ACCORDING TO YOUR HEIGHT – Choose from 5 options for the perfect size – 45cm ( for below 150cm height), 55 cm (for 150-168 cm height), 65 cm (for 168-180 cm height), 75 cm (for 180-190 cm height) and 85 cm (for above 190 cm height) to suit your height.