1. Item Material: Elastic fabric, carbon fiber, moxa 2.Item Color:Black,Gray,Beige 3. Item Size:as the picture Package details: 2 Pcs Knee Pads Description: Adaptive Infrared Heat Therapy Technology,Self-Heating and Magnetic,Brace Design,Stimulates knee acupressurepoints. Radically improves bloodcirculation in the knee area. Effectively relaxes your knees and joints! Alleviates physical fatigue,inflammation, and pain. Regulates the nervous system. Even helps burn excess body fats in the process. Easy to Use SoftSelf-Adhesive Material Safe, Comfortable and Breathable Lightweight and Portable It's easy to carry around so you can use it anytime and anywhere! Makes a great gift for yourself or for the people you care about. Feature: 1. Product style: as shown 2. As the monitor and camera lights are different, it may cause slight chromatic aberration. 3. All products are manually measured, there may be 0-3cm error. 4. Hope you can understand thank you! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.