Ships from Hong Kong. Material: 70%cotton+25%latex thread+5%Spandex. This Knee Pad has the following functions : Reduce knee pain symptoms and swelling/Faster and easier recovery after your workout/More effective warm up/Improve your performance with better muscle support/Stays in place and does not slide down during your activity. In addition, it is great for keeping warm in winter. Perfect for sports such as running, basketball, football, gym, weightlifting and so on.