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.co.uk: Sports & Outdoors
Mode33 55cm Exercise Yoga Ball – Clubit.co.uk Ltd
KM-Fit gym ball 55 cm training ball with air pump sitting ball office anti-burst ball for fitness, yoga, gymnastics, core training pezziball yoga ball BPA-free blue
Memory Ball 55cm - Fitball Australia Fitness Equipment
arteesol Exercise Ball, Gym Ball Anti-Burst Yoga Ball, 45cm/55cm/65cm/75cm Extra Thick Swiss Ball with Pump, for Fitness… - Autism Supplies and Developments
KM-Fit Gymnastikball 55 cm - 9999929304112 -
Gymnic Classic Plus Anti -Burst Gym Balls 55cm to 75cm