Product parametersProduct Name: Mugwort dot array heating kneepad (black pair)Product material: polyester fiberProduct color: Mugwort blackProduct size: M,L,XLGross weight: M:150g L:170g, XL:180gProduct featuresHot new brush moxa dot array design, moxa heat treatment, direct to the pain, rapid continuous fever within 10 minutes, keep warm;Knitted fabric, anti-sliding, not tight, comfortable and skin-friendly, not easy to curl;Tightly wrapped knee fever, moxa molecules deep into the knee, relieve discomfort;Super long service life, can continue to use for 3 years, next winter can still be used;Constant temperature 45, size 29000 hours;Four sides of high elastic, suitable for a variety of legs, fit the knee;Human body curve design, easy to wear, bending freely;