81005 Self heat tourmaline knee braces/bands (BLACK) in pair

Self heat tourmaline knee braces/bands - nano composite material, life-time permanent magnetism - easy to fit velcro straps design - self heat tourmaline material will generate infrared heat in 15 - 30 minutes to ease your knee arthritis pain or reduce any inflammation and swelling - use damp cloth to wipe the tourmaline fabric part will speed up the heating effect. Will relief pains from knee joint inflammation, dull ache at the back of the knee, torn ligaments, strained tendons, arthritis joint, and bursitis. WARNINGS: Take off this brace/band when you feel uncomfortable or too hot. Don't take a hot bath right after using this brace. You have to let the treated part cool down for 30 minutes before taking a hot bath. Don't use this product when you have fever, skin damage, bleeding, or skin allergy. NOT suitable for children and pregnant woman.