ThermaCare® Neck and Shoulder Heat Wraps are designed to conform to your neck and shoulder so you can experience long-lasting heat relief throughout your day. Patented heat cells penetrate deep into tissue, increasing blood flow to stop pain and accelerate healing. Single-use wraps can be applied to sore muscles and joint areas of your neck, shoulder, and upper back. Designed with your body’s contours in mind to stay in place and adapt to your movements and are thin enough to be worn discreetly under clothing *Use As Directed