Prism Fitness Smart Stability Ball - Anti-Burst Exercise Ball for Yoga, Pilates & Core Workouts - Perfect for Home Gym, Office & Physical Therapy

Product Description

The Smart Stability Balls are self-guided for users at all fitness levels. They feature 13 exercises that are printed on the ball for easy reference.

Three sizes available, each are burst-resistant (PVC construction) and includes a pump. 

1/2 Circumference: Inflations Hole to opposite Side of Ball (Injection Spot)

For Diameter 55cm, 1/2 Circumference Should Measure 86cm

For Diameter 65cm, 1/2 Circumference Should Measure 102cm

For Diameter 75cm, 1/2 Circumference Should Measure 118cm