Soft gel heel plugs provides extra relief at most sensitive and high pressure area; Unique cupped design gently cushions and elevates your heel to help reduce tesion on your achilles tendon; Technologically advanced silicone gel for comfort; Recommended for general heel pain, Plantar Fasciitis and Achilles Tendonitis; Designed to fit comfortably in most footwear styles; How to Use: Simply insert inside of your shoes over your insoles; Material: Silicone Gel