With Heel Seats Foot Orthotics, most people experience pain relief within 1-8 days of regular use. These non-prescription inserts are designed to sit inside your shoe and support your heel and feet. Whether you’re running marathons, walking in your neighborhood, or on your feet at work, these inserts will allow you mobility freedom. Simply slip them into your shoes and go.Full support with 360-degree motion control for better posture and comfort while standing, walking, and running. Fits easily into any closed heel shoe. Just toss them into the washing machine for easy cleaning. 100% guaranteed . Clinically-proven and backed by science to help prevent or relieve symptoms for plantar fasciitis, shin splints, tendonitis, heel spurs, and other disorders in an all-natural way.