GalSports Pregnancy Ball - Birthing Ball for Workout Yoga Stability, Pregnancy Safety Materials for Maternity Physio & Recovery Plan Included, Labor Exercise Ball with Quick Pump Rose Red L (58-65cm)
Classic Exercise Ball - USA Fitterfirst
Stability Ball™ with pump - 75 cm (Gray) for Pilates | Merrithew®
Amazon.com: Gaiam 05-52205 Total Body Balance Ball Kit - Includes 75cm Anti-Burst Stability Exercise Yoga Ball, Air Pump & Workout Video - Blue : Gaiam: Sports & Outdoors