One SizeSpecific uses for the product: Arthritis, muscle fatigue, muscleAge range (description): AdultPolyester materialSpecial Feature: AdjustableCare instructions: Hand wash onlyVelcro closure typeSee lessAbout this articleThe new self-heating knee brace provides natural warmth to the knee area through magnetic therapy, relieving discomfort in the knee joint and relaxing stiff, uncomfortable muscles around the kneecap. It can also stimulateImproves blood circulation to relieve joint discomfort. No power connection required.Soft for creating knee pads. Self-heating absinthe matrix materials improve blood circulation, promote metabolism, dredging meridians and boosting immunity.Our knee warmer has a degree of elasticity and adjustability, increasing friction between the knee support and the knee, which makes the knee protector less slippery. It is comfortable and breathable when worn and protects the knee from the cold.The knee pads can be washed with water and air-dried. Wear the self-heating knee pad directly on your knee and wait 20 minutes for it to heat up. Once the heat has subsided, you can wipe the surface of the knee pad.with a damp cloth.Magnetic therapy provides natural heat to the knee area, relieving pain by relaxing muscles, improving blood circulation, and offering much-needed comfort.