ARCH CUSHION MEDICAL FOOT COVERCOCORO FOOT CARE Feature 3D Arch Support Give support to the feet and relief stress and tension on the knee and lower back as it distribute the weight out evently. Seamless Reduce pressure on the grip surface and not leaning any marks on the feet. Heel grip (Silicon Gel) Prevent the socks from slipping off the feet. Material Nylon & Polyurethane Origin Designed by Japan Sawing in China (Our subcontract factory) Notes: **Intimate products are not