Material:Warm knee pads. Model Number:Adult name:Self Heating Knee Pads type:Knee Support Warmer. Package:1Pcs,2Pcs = 1 Pair size:M / L / XL Material:Non-woven Material: breathable fiber cloth, warm fabric Bullet Points: 1.Knee Protector: The pads can protect your knees, prevent arthritis and relieve joint pain.2.Fatigue Removal: The pads feature the magnetic therapy to improve blood circulation and helps to relax muscles and reduce fatigue. 3.Breathable Design: The pads feature the high-elastic fabric, which are skin-friendly, breathable, stretchable, soft and comfortable to wear. 4.Premium 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. Size: S: Suitable forLeg Circumference: 30-39 cm(Suitable for weight about40-60kg) M: Suitable forLeg Circumference: 40-47 cm(Suitable for weight about60-75kg) L: Suitable forLeg Circumference: 48-55 cm(Suitable for weight about75KG-90kg) XL: Suitable forLeg Circumference: 50-55 cm(Suitable for weight about90KG-95kg) Package Included: 1 Pair of Knee Pads feature:Polyester rodilleras:leg warmers knee support:knee sleeve knee:Knee pads Knee pad:knee support ortopedica:Knee braces for arthritis knee brace:knee pads for joints type 1:Orthopedic knee brace type 2:knee brace Sports Accessories:Sports Accessories Knee Protector:Knee Protector Knee Sleeve:Knee Sleeve Sports Safety:Sports Safety Knee Brace Football:Knee Brace Football Knee Brace Support:Knee Brace Support Sports Knee Sleeves:Sports Knee Sleeves Compression Sleeves:Compression Sleeves Knee Brace Running:Knee Brace Running Adult Men Women:Adult Men Women Knee Brace Sleeves:Knee Brace Sleeves Knee Arthritis:Knee Arthritis Knee Brace Basketball:Knee Brace Basketball Product type: Compression Clothes Label: Yes Washing: Hand wash cold, Iron at normal temperature <150C, Dry clean, Line dry in the Shade, Do not bleach