Heat your lower back, upper back or shoulders with the DO639K heating belt from DOMO. Not only does warmth feel pleasant, but it also relieves arthritic pain and muscle pain. The belt fits everyone thanks to the adjustable Velcro fastener. The grey teddy material is made of extremely soft flannel fleece for added comfort. There are three settings to choose from and you’ll feel the pleasant heat spreading within moments. For safety reasons, the device should be switched off after a maximum of 90 minutes. The power cord can be removed for easy washing.