Wobble Cushion - Stability Disk for Balance and Core Training - Get Stronger and Healthier - Balancing Trainer for Athletes or Beginners The wobble cushion is used to create instability in a seated posture, which keeps back muscles frisky and postural reflexes stimulated and increase balance. This balancing disk is concave, and therefore more stable, providing the instability that is the point of the product. The purpose of our stability disc is to make your sitting an active chore for your back muscles. An exercise disc balance cushion or stability cushion, otherwise known as a wobble cushion, wiggle seat, wobble board, balance disc or balance cushion is an inflatable round cushion which is strong enough to stand or sit on, and when doing so gives an unstable surface. Our wiggle cushion is also a seat cushion for kids that can help them. Best occupational therapy tools available. Better than using a balance trainer balancing ball, balance board, regular chair air cushion and balance chair cushion for treating like: sprained ankle, arthritis, knee anterior cruciate injury, after knee anterior cruciate surgery, after knee meniscus (cartilage) surgery, following joint replacement surgery, collateral knee ligament injury. Standing or sitting on our wobble cushion blue is the best therapy you will find. Dont be fooled by cheaper, knockoff brands that dont give you all the technology and durability to handle your needs. Our balance chair cushion good as a fitball seating disk, airex balance pad, or dyna disc at a fraction of the price. With the included wobble cushion pump, you set the pressure to work best for you. We are so confident you will get the best results from our wobble chair for sale sitting cushion, we back it with our 100% Total Satisfaction Guarantee. That means we will gladly buy back your wobble cushion with no questions asked. Simply return the wobble cushion and we will promptly refund the purchase price.