Thicken inner wheel, not easy to deform, strong and durable, which has a long service life.
The outer is made of PU, soft and comfortable, dry and wet non‑skid, so that you can perform all movements and postures easily and safely.
Circular design imitates human body curve, help you open shoulder, extend neck to improve posture, be far from chest hump back.
It can be used to as a back cracker or stretch roller to help with your yoga poses.
Reduces back pain while you stretch your entire spine and unlock those tight muscles in your upper, middle, and lower back.
