Item Type: Magnetic Massage Insole Color: Black Material: EVA+Breathable mesh cloth+magnets Quantity: 1 Pair Feature: 1. 11cooling magnets produce gentle magnetic waves with natural magnetic fields & cooling, soft, smooth stones. 2. Shock absorption and comfortable, clean and ventilate. 3. Separate sweat and deodorize, wash and use free. 4. You can cut the size according to the available curling line if necessary. 5. Pair includes both left and right insoles, may be trimmed to fit any size foot. Function: 1. Balance energy in your body to reduce stress, increase energy, balance mind and body, and increase fitness. 2. Relieve Overall Body Pain, Tension, Cool & Soothe Feet and Boost Endurance with Acupuncture Technology. 3. Massage key areas of your feet with massage points & special magnets.Air Flow Design Keeps Feet Cool & Dry. 4. Make your blood circulate smoothly.Massage can strengthen health and resist sickness. Package Included: 1 Pair X Magnetic Massage Insole