Detailed Product Description

1.Air-activated,out-put of heat by oxidation of Fe through micro-hole technology

2.Just open the sealed bag and stick or use the pad to anywhere** of your body that needs warmer, and it will heat automatically

3.8~20 hours of heating (different types apply to different duration of heating)

4.Evenly distributed heating: temperature ranges between 50-55 degrees Centigrade(or 122~131 degrees Fahrenheit) Highest temperature: 65 degrees Centigrade (or 154.4 degrees Fahrenheit)

5.No harm to environment

6. Only stick it to your underwear or other clothes closed to your body.

Application: Keep warm in the cold area with continuous 8-20 hours of heating.

Effective relief of: muscular aches and pains, joint stiffness, backache, strains and sprains. Also relief of menstrual cramp.