Made of high quality material,durable. Soft, breathable and comfortable to wear. High elasticity design, be Comfortable and free of movement. Protect the knee, prevent arthritis and relieve joint pain One-piece molding, more fit to the human body, not easy to slide, the inner high-quality cotton absorbs sweat and wicks moisture, and protects the knees. Add velvet inside, meticulously stitched, thicken to keep warm, lock temperature and anti-freezes, it will be warm as soon as you wear it. Main material: Spandex, polyester, latex Applicable people: general Applicable sports: basketball Heating time: 16 hours and above • Knee Pads • Tourmaline,Self Heating,Warm for Arthritis Joint Pain Reliefs • Knee Protection Tools • can take care of the body freely in various scenes such as bedroom, living room, balcony. • to make your body look healthier and healthier. Lay flat measurement approximately: 11”x 6.5” x 5.5”