ITEM NAME:Self-heating Tourmaline Far Infrared Magnetic Therapy Ankle Support Brace m.To promote the new supersedes the old. Self-heating pad designed for the Ankle. Material: spontaneous heat cloth, magnet. Have anti-inflammatory and analgesic, swelling the role. Quantity: 1 Pair. Outer layer:Ultra soft self-adhesive cloth, easy to take on/off(Can adjust the size).