Features Unique design: Designed for the acupuncture reflex-area of the sole, focusing on the pain points, the effect is more-obvious. High convex point design, breathable, refreshing and comfortable, the sole dissipates heat. Simulate finger compression force, better elasticity, anti-aging, truly care for your health. Premium: The magnetic insole is made of premium materials, high-elasticity environmentally friendly foam noodles and magnets, providing shock absorption and comfort. Effective: Using our magnetic massage insoles can improve blood, improve sleep, relieve fatigue, deodorize and absorb sweat. Suitable for most shoes: Suitable for many types of men's and women's shoes, such as: running shoes, work boots, sports shoes, street shoes, slippers, flat shoes, etc. Adjustables size: If necessary, you can cut according to the available curling line to change the size. Just put your feet on each massage sole and massage according to the pre-made size, and then cut each sole to the right size with scissors. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Size: As picture show Material: Mesh cloth+ PU+Magnets Shoe Size: S:35-39, M:40-43, L:44-47 Package List: 1 Pair Magnetic Insoles