Wormwood Moxibustion Pain Relief Joint PatchThis moxa joint patch is made of selected aged moxa, with self heating technology, 4 6 hours constant temperature penetration. Medical grade non woven fabric fits the joints, repels cold and removes dampness, relieves aches and pains, essential for home health care! Targeted Relief for Multiple Areas Designed for knees, shoulders, back, neck, and jointsstick directly where you need comfort and warming support. Long Lasting Heat Therapy Each patch