From Amazon
Fitness Mad Anti Burst Swiss Ball, 150 kg Load Tested Yoga Ball, 55 cm / 65 cm / 75 cm, Exercise Ball for Fitness, Pilates, Pregnancy & Core Workouts (75cm)
365 Games
Fitness Mad 150kg Anti-Burst Swiss Ball Graphite 75cm
OnBuy
Fitness Mad 150kg Anti-Burst Swiss Ball - 75cm - Graphite