Egg Ball Chair

*Easy to install adjustable risers gives your Ball Chair 6CM Height
  for higher desks or taller people.
*The elegant shape of the extension leg looks like one piece of
  Ball Chair.
*The Egg Ball Chair provides the wide space for comfortable sitting.
*When sitting on the ball,you'll feel your posture improved and the
  ergonomic back support spinal alignment.
*The Egg Ball Chair comes with rolling lockable caster wheels.
*The Egg Ball Chair takes pressure off the spine,release muscle tension.
**PATENTED : TAIWAN , U.S.A.**