1.Nylon Cord Tension
2.Extend and massage the user's back
3.Dual Functions- AB training and back release

1.Spring Coil Tension
2.Space Saving- foldable and small size for easy storage
3.Dual Functions- AB training and back release 
4.Roller design can massages the user's back
5.Patented Product
6.Comfortable Padding Head Support and Seat<

1.Space Saving- foldable and small size for easy storage
2.Step by Step Yoga Training
3.4 levels adjustment
4.Innovation- Massage Arch Plate makes the user's
   body more relaxed
5.Knock down model- competitive pirce on the market