Gaiam Classic Backless Balance Ball Chair – Exercise Stability Yoga Ball Premium Ergonomic Chair for Home and Office Desk with Air Pump, Exercise Guide and Satisfaction Guarantee, Purple

Trideer Extra Thick Yoga Ball Exercise Ball, 5 Sizes Ball Chair, Heavy Duty Swiss Ball for Balance, Stability, Pregnancy, Physical Therapy, Quick Pump Included (Black, L (58-65cm))

Trideer Ball Chair Yoga Ball Chair Exercise Ball Chair with Base for Home Office Desk, Stability Ball & Balance Ball Seat to Relieve Back Pain, Home Gym Workout Ball for Abs, Pregnancy Ball with Pump

Vivora Luno Exercise Ball Chair, Anthracite Cover, Felt, Max Size (25 to 26 inches), for Home Offices, Balance Training, Yoga Ball

BalanceFrom Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 58-65cm, L