Feature: 1. The knee pad is made of high quality materials and is safe and comfortable to wear. 2. The use of self‑heating materials helps to improve blood circulation, promote metabolism, clear the meridians, and improve immunity. 3. Soft self‑adhesive pad for high elasticity and easy access. 4. It can actually help relieve local body fatigue and pain, anti‑inflammatory and analgesic, swelling. 5. Suitable for people with joint pain, arthritis, bone hyperplasia and leg muscle pain. It also helps protect the knee while doing daily activities and health care. Suitable for your parents, friends or alone. 6. Specification: Product Name: Knee Pads Material: fabric elasticity + magnet + tourmaline; Function: Improve blood circulation, promote metabolism, clear meridians, improve immunity and protect knees Product size: height: 22cm/8.66inch (Approx.) . Package List: 1 Pair of Knee Pads