Ampnbspthermacareampreg neck, wrist ampamp shoulder heatwraps are designed to conform to your neck and shoulder so you can experience longlasting heat relief throughout your day.singleuse wraps can be applied to sore muscles and joint areas of your neck, shoulder, upper back and wrist.patented heat cells penetrate deep into tissue, increasing blood flow to stop pain and accelerate healing.thin enough to wear discreatly under clothing.flexible enough to be worn wherever your day takes you