Relieve pain: Help to relieve pain by relaxing the muscles and improving blood circulation. Knee support: Get a knee support brace. Therapy: Provides a combination of heat, magnetic therapy and padding to provide knee support. Self-heating: A thermal self-heating design to provide natural heat to your knee area. Size: Full brace girth 52cm x width 24cm. Self-heating pad L 15.5cm x W 19.5cm. Benefits: Could help relieve pain from arthritis, sprains and cold weather pain and stiffness. Self-Heating Knee Support Brace | Black | Living Social