MANTRA SPORTS Heavy-Duty Exercise Ball Chair for Office with Base and Accessories - Yoga Stability Ball for Working Out, Physical Therapy, Home Fitness, Pregnancy, Labor Birthing Ball - Gray, 65 cm

SmarterLife Workout Exercise Ball for Fitness, Yoga, Balance, Stability, or Birthing, Great as Yoga Ball Chair for Office or Exercise Gym Equipment for Home, No-Slip Design (55cm, Turquoise)

SmarterLife Products

Enovi ProBalanceΩ Ball Chair, Yoga Ball Chair Exercise Ball Chair with Slipcover and Base for Home Office Desk, Birthing & Pregnancy, Stability Ball & Balance Ball Seat to Relieve Back Pain, 55cm, AP

ENOVI Starfish Ball Chair, Yoga Ball Chair Exercise Ball Chair Ergonomic Design for Home Office Desk, Stability Ball & Balance Ball Seat to Relieve Back Pain, 24IN, FG

ProBody Pilates Yoga Ball Chair, Exercise Ball Chair for Office and Desk, Yoga Chair with Stability Ball Cover, Yoga Ball Office Chair, Improve Balance with Attractive Cover Seat (Charcoal, 24 in)

ProBody Pilates