Amazon.com: adidas Gymball - 55cm Exercise Ball with Dual Textured Non-Slip Surface for Maximum Grip - for Core Workout, Improving Stability, and Posture at Home or The Gym - Hand Pump Included -
Medicine Ball, 12 LB - Weighted Fitness Ball, Non-Slip Grip, 12 LB - Smith's Food and Drug
Amazon.com: adidas Gymball - 55cm Exercise Ball with Dual Textured Non-Slip Surface for Maximum Grip - for Core Workout, Improving Stability, and Posture at Home or The Gym - Hand Pump Included -