- ThermaCare adhesive heat patch for neck, shoulder, and wrist - Provides up to 8 hours of constant heat and 8 additional hours of relief after use - Drug-free, ideal for those seeking natural alternatives - Heat cells provide therapeutic warmth, relaxing muscles and relieving pain - Easy to use: activates upon opening, adheres firmly, and leaves no residue - Recommended for athletes, people with physical jobs, or household tasks - Safe for skin, do not use for more than 8 hours in 24 hours - Includes 2 single-use units