Everlast FIT Pro Grip Fitness Balls - 65cm - Burst-Resistant, Anti-Slip, Pump Included, Great for Balance, Home Workouts, Yoga. (Available in 55cm, 65cm and 75cm) (Red, 65cm) : Amazon.ca: Sports & Outdoors
Anti Burst Ball, 55cm | Indigo
Pro Grip Fitness Ball (55cm) | Sporting Life Online
Swiss ball 55 cm red Gymnetic – Body Gym équipements
Best Exercise Balls | Yoga Balls | Balance and Stability Balls – Relaxus Professional
TheraBand Exercise Ball, Stability Ball with 55 cm Diameter for Athletes 5'1" to 5'6" Tall, Standard Fitness Ball for Posture, Balance, Yoga, Pilates, Core, & Rehab, Red : Amazon.ca: Sports & Outdoors