Hempvana Knee Bird is the adhesive pain patch that penetrates the skin and muscles providing relief from pain. Hempvana Knee Bird can help those suffering with chronic pain from arthritis, tendonitis, muscle and joint stiffness and more. The pain patches are made with 100% pure cold-pressed hempseed oil and contains CoolNumb® technology. Not only are these patches great for your knee pain but they can also be used for your back, neck, should, elbow, leg, and foot pain!