ThermaCare Therapeutic Heat Back Wraps, S/M

Pain relief plus muscle relaxation. 8 Hours of heat. Air-activated. What is ThermaCare? ThermaCare is a disposable air-activated wrap that delivers low level, consistent, therapeutic heat for 8 hours. Just open the pouch and these single-use wraps begin to warm up when exposed to air. Examples of when to use ThermaCare: Activities, (exercise, sports, family outings, manual labor). Sitting for prolonged periods (desk, car, airplane). Choose the right size ThermaCare Back Wrap for you. S/M - Women's Pant Size: Up to size 8 or Men's Pant Size up to 34 - inch waist. L/XL - Women's Pant Size: Size 9 and above or Men's Pant Size 35 - inch waist and above.