Product Review

Back pain eliminated  find your ergonomic seating and eliminate the hurt-like-hell back pain with yes4all stability disc. This balance disc helps you to support the spine, keep the right posture all day long sitting at the desk. Thus, it helps you to strengthen core and ab muscles and relieve back pain, shoulder aches effectively.  Massage therapy  textured, slip-resistant surface provides grip and massaging comfort. Great for foot massage, used as mini-stepper for exercises.  Balance and coordination and flexibility training the balance cushion provides an unstable surface for you to practice on. You will soon lean how to react quickly, utilize more muscles to remained balance, and thus get a complete workout.  Exercise challenge  the balance disc can be incorporated into daily exercises like push-ups, sit-sups, lunges, planks and many more to increase the challenge and difficulty of these exercises.  Bonus gift: free air pump included as a bonus gift only. (Seller does not take any responsibility if the air pump is missed, lost or broken)  inflation and deflation instructions: find the hole on the 2nd outer ring-- insert the needle of the pump into that tiny hole for inflation.  For deflation, insert only the needle without the barrel of the pump into the hole.