1.Material: PVC

2.Max work hour: 15minutes.

3.Colour:silver gray black.

4.Executive Standard:GB4706.10-2003 GB4706.1-1998

5.Functions: (1) Can be used to massage neck, shoulder, waist, leg and other body parts

(2)Helpful for eliminating the muscle ache, improving blood circulation, relaxing muscle, enhancing the immune function, and improving sleeping quality, in order to keep healthy

(3)Unique massage method and design will bring you more comfortable experience