ThermaCare Neck, Shoulder, Wrist, Pain Relief Therapy Patches, Heat Wrap, 3 Count (Pack Of 8) ThermaCare Neck, Wrist & 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, upper back and wrist. ThermaCare Advanced Neck Pain Therapy, Shoulder, and Wrist Pain Relief Patches, Heat Wraps, 3 Count: