- PU material :No pollution, no bad smell . Durable.
- Massage intensity: Soft than latex ball .Better for your family!
- DESIGN: Pebble always used in the Chinese footpath, people will walk on it barefoot. It will massage foot points to aid in the recovery of muscles and assist in returning them to normal function. Normal function means your muscles are elastic, healthy, and ready to perform at a moment’s notice.