Plantar fasciitisPlantar Fasciitis occurs when the band of tissue along the underside of your foot, called the plantar fascia, is overstretched and aggravates the attachment at the heel bone. This can cause pain with every step you take.Dr. Scholl's Pain Relief Orthotics for Plantar Fasciitis provide dual-action relief by treating the source of your pain. The insoles cushion and protect your foot from the aggravating shock of each step, and support your arch to prevent the plantar fascia from stretching further so it can heal.The Dr. Scholl's Hot & cold massage ball can be used three ways: 1) filled with hot tap water to deliver a warming Massage, 2) filled with cold water and frozen to deliver a cooling effect or 3) Empty/as is at room temperature. The package includes one ball with a cap which can be unscrewed using a coin. Dr. Scholl's has been a trusted brand in foot care since 1904 when Dr. William Mathias Scholl, grandson of a cobbler, launched the company under the name Dr. Scholl Inc.