--U shape design put an end to the neck fatigue,

and effectively protect the cervical spine. It

is soft, comfortable and safe, it can scatter

neck stress, relieve fatigue, eliminate

nervous, promote the blood circulation ,

relax sour and ache muscle, improve the

sleep condition 

--The micro-beads have many functions ,it is

not only soft and comfortable ,but also antibacteria

, anti-corrosion.