Mirumb Anti-Burst Core Exercise Ball with Pump and Manual for Yoga, Balance, Workout, Fitness - 55cm / 65cm /75cm : Amazon.ca: Sports & Outdoors
TheraBand Exercise Ball, Professional Series Stability Ball with 65 cm Diameter for Athletes 5'7" to 6'1" Tall, Slow Deflate Fitness Ball for Improved Posture, Balance, Yoga, Pilates, Core, Green : Amazon.ca: Sports