Exercise Ball -Professional Grade Exercise Equipment Anti Burst Tested with Hand Pump- Supports 2200lbs- Includes Workout Guide Access- 55cm/65cm/75cm/85cm Balance Balls (Dark Grey, 75 cm) : Amazon.ca: Sports & Outdoors
Cando Extra Thick ABS 55cm Exercise Ball - HealthMed Distributors Inc
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
Best Exercise Balls | Yoga Balls | Balance and Stability Balls – Relaxus Professional
BOSU | Stability Ball - Anti-Burst | Canada
FIT505 55cm Anti Burst Stability Ball (Blue) - AKFIT Fitness Specialty Store
CORTEX Fitness/Gym Ball 55cm – Lifespan Fitness
Pro Grip Fitness Ball (55cm) | Sporting Life Online