CanDo Inflatable Exercise Ball Lime Green 59 in(150 cm) - QVC.com
Gymnic Megaball Exercise Ball, 150 cm, Orange - Walmart.com
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
Physiotherapy Room Elite Series 55cm Exercise Ball | Physio Store