<ul><li>heat knee padsPremium Material: The pads feature the tourmaline heat-sensitive material to contact with human skin, and the body movement releases energy and makes the knee feel hot.can protect your knees, prevent arthritis and relieve joint pain.</li><li>Fatigue Removal: The pads feature the magnetic therapy to improve blood circulation and helps to relax muscles and reduce fatigue.</li><li>Breathable Design: The pads feature the high-elastic fabric, which are skin-friendly, breathable, stretchable, soft and comfortable to wear.</li><li>Size:M: Suitable forLeg Circumference: 30-39 cm(Suitable for weight about40-60kg)L: Suitable forLeg Circumference: 40-47 cm(Suitable for weight about60-75kg)XL: Suitable forLeg Circumference: 48-55 cm(Suitable for weight about75KG-95kg)</li><li>Kind tipsThe product fits the body temperature of the human body, slightly higher to prevent low temperature burns.</li></ul><br><br>

Self Heating Support Knee Pads Tourmaline Knee Brace Warm for Arthritis Joint Pain Relief Injury Recovery Knee Massager,2pcs (Color : B-One-Sided Heating, Size : Large)