1.18pcs of 800GS bio-magnets each pair, positioned according to nerve points on feet.
2.R ed surface with scientific placement of bio-magnets provide massage and acupuncture function when walking.
3.Improve blood micro-circulation, alleviate physical pains.
4.Release fatigue and ease pain.
5.Diminish genual inflammation.
6.Dispel odor and warmness function.
7.Multi-function helps prevent beriberi and other crural diseases.
8.One size fits most (you could DIY to cut the insole fitting your shoes size).
9.Special sizes & colors are acceptable.