Tourmaline Underpants release negative Ion,and is benefical to human health,and there are two models:Tourmaline Boxer Underpants and Triangular Underpants.
Principle:
Negative ions has a role of calm ,stability to human spirit, improving respiratory function and promoting the cells to absorb nutrients and excrete metabolic waste.It has a good role in the maintenance of human health and the promotion of an extremely effective.

Function:

1) Release negative Ion
2) Promote Microcirculation underbelly
3) Removal of bad Smell,bacteriostasis.
Indications:
1) Frequency of urinatior
2) Hemorrhoids
3) Dysmenorrhea etc Gynecological