The MicroBeads have been stitched into a soft fabric that is designed to allow for the maximum release of moisture. * Increases blood flow * Brings additional oxygen * Provides relief from pain The application of Moist Heat is especially useful treating muscle spasms from strain and tension. It also reduces pain in non acute injuries such as stiffness, arthritis pain, headaches, back or neck pain. Moist Heat is considered superior to ordinary dry heat because it transfers the heat deeper and more quickly into tissues. This is because water is a more efficient conductor of heat than air.