ThermaCare Heatwraps, Lower Back & Hip, L-XL

Patented heat cells for deep penetrating heat. Up to 16 hours. Pain relief. Clinically proven to relax tight muscles and enhance flexibility & mobility. Provides up to 8 hours of heat while you wear it plus 8 hours of pain relief after you take it off. Odor free, discreet and stays in place. Just open pouch; starts to warm on its own.