2pcs Nano Technological IR Self-Heating Protective Warmer Knee Pads Black by Preciastore Nowadays, lots of people pay more attention to their own health. So here we have launched this set of 2pcs Nano Technological IR Self-Heating Protective Warmer Knee Pads to someone caring about knees. Our knee pads set is specially designed to improve micro circulation of bones & blood, strengthen metabolism, ease pain & fatigue, reduce blood pressure and fresh air so that knees can be well protected and arthritis can be avoided. Made of high quality elastic fabric, nanometer cloth and equipped with built-in magnetite, it is durable for long-term use and quick in response. A practical accessory good for your health! Economical and practical. Easy to use and operate Improve immune function and micro circulation of bones & blood. Strengthen metabolism. Ease pain and fatigue Reduce blood pressure. Fresh air and eliminate toxic air. Anti-inflammatory and protect your knees Made of high quality elastic fabric, nanometer cloth and equipped with built-in magnetite. A practical accessory good for your health