Product Information:Material: NeopreneColor: BlackWash: Hand wash only Package Contents: 1 Pair of Self-Heating Knee Braces Magnetic Therapy Self-Heating Knee Brace will help you relieve your knee pain from various diseases like arthritis, cold weather pain, etc. High quality material with magnetic therapy provides natural warmth to the knee area, which relieves pain by relaxing muscles, improving blood circulation and providing you with much needed material for comfort. Functions: Suitable for men and women. One size fits best. The size can be adjusted with the Velcro fastening. Advantages of using the self-heating magnetotherapy knee brace: The knee brace is very easy to use and discreet. Use it as long as you are comfortable with good feel. It is very safe and comfortable to wear. Can be worn by both men and womenIt's one size meaning you can adjust it to suit your needs and whatever pressure you think is right for you.