Material:

100% Energy Ventilate Oeko-Tex Polyester(Embeds negative ions,20 types of mineral microdlements ,permanent antiseptic and anti-odor yarn, and natural crystal yarns)

⊕Size:21.5*9cm
⊕col: Black

Interior material uses Talent Yarn® Hi-Energy patented eco-friendly fabric:
★ Energized minerals implanted in  yarns for long-term
    function.
★ The entire eyeshade has a high anion content as well
    as 20 types of mineral microelements.
★ Helps metabolism and improves the circulatory system
   around the eye.   External material uses breathable
   eco-friendly neoprene cloth.

◎Relieves eye strain and tired eyes, stimulates blood
  circulation around the eyes, elieves   eye/nose 
  hypersensitivity, prevents deterioration of eyesight,
  helps sleep and delays skin aging  around the eyes.
◎Good for frequent readers, computer users, professional
   musicians, weavers, meditatiors, people with trouble in
   sleeping, people with eye diseases, and more.

Pleae see as below “Our QA & Glory”

http://www.taiwantrade.com.tw/News.do?Method=detail&id=30137&epDomainName=fourelements

Pleae see as below “How to use this product properly”

http://www.taiwantrade.com.tw/Introduction.do?Method=showIntr&intrTitleId=400919&epDomainName=fourelements