Spirit Exercise Ball Ø 75cm - gym ball for workouts, Pilates, sitting, gymnastics, up to 136 kg : Amazon.co.uk: Sports & Outdoors
Exercise Gym Ball (75cm) | very.co.uk
Greater Goods Professional Exercise Ball; Yoga Ball for Working Out, Balance, Stability, and Pregnancy; Designed in St. Louis, 75cm (Deep Sky Blue) - Walmart.com
Exercise Ball for Therapy - Southpaw
Physical Company Stability Ball – 75cm – Primal Strength