Uniquely designed， scientific construction， which has a very good function of thenar Massage.

Features:
Made of magnets and high quality silica gel， durable and practical.
Uniquely designed， scientific construction， which has a very good function of thenar Massage.
Make your blood circulate fluently.
Perfect gift for yourself or your friends.

Specifications:
Material: Silica gel， magnet
Color: As the picture
Size: 29 * 9cm / 11.42 * 3.54in (L * W)
Weight: 103g / 3.62oz

Package list:
1 * Pair of Insole