• Healthy insole: It can improve blood circulation, relieve leg swelling and eliminate varicose veins, help maintain body temperature, and regular wearing will help your legs get natural relaxation and comfort
• Breathable and comfortable: Effectively utilize body heat, minimize sweat and moisture, and keep warm and comfortable in weather below 35℃
• Easy to use: Just put the product in the shoes to use

Specifications:

• Material composition: 20% magnet, 80% PVC (polyvinyl chloride)
• Size: 9*25cm