Glymnis Exercise Ball, Sitting Ball, 55 cm, 65 cm, 75 cm, Thick Pilates Ball, Incl. Air Pump, Anti-Burst Yoga Ball, Robust, 300 kg Maximum Load, for Core Fitness, Home, Office – Glymnis
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