magnetic health insolesis extremely comfortable. When fitted in the shoe correctly it provides continuous Magnetic Therapy to the feet and ankles. The insole comes in two sizes, men and women size. Insoles are very flexible and thin. Material: Made of rubber material and biomagnets With 5pcs of biomagnets Size: One size fits all. The Magnetic Insoles are avaliable in both Multi-Pole and North Pole Versions.The difference with Multi-Pole, is it has both the North and South side alternating in the insole. The North (-) side helps increase bloodflow and provides better circulation which promotes pain relief. The South (+) helps energize. The magnetic insoles can be trimmed to fit any size shoe, they are very flexible and thin, we have rubber material and Neoprene material. The Magnet Therapy Black Insole is extremely comfortable. When fitted in the shoe correctly it provides continuous Magnetic Therapy to the feet and ankles. Reduces muscular aches and pains, back distress, headache, fatigue and trepidation. It also improves your metabolism. Function: *Magnetic Therapeutic Massage *Foot Reflexology *Light compression, Comfortable to use *Stimulates the soles of the feet to cause a massaging effect while wearing. *Relieves pain and exert anti-inflammatory and relaxing effects. CAUTION: If you experience itching or rashes, please discontinue use. People who should avoid magnet therapy are: *pregnant women *people who wear pacemakers *people who wear electronic devices *people who wear electrically operated devices.