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
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
Gym Ball 55/65/75 cm Anti Burst,Sitting Ball Chair for Office,Dorm and Home,Anti-Burst Yoga Ball Thickened Stability Balance Ball Pilates Barre Physical Fitness Exercise Ball 55cm/65cm/75cm, For Balan : Amazon.co.uk: Sports & Outdoors