The Nexcare Heat Patch provides natural relief for muscular tension, promoting relaxation and restoring mobility. Ideal for use on the neck, shoulders, and back, it offers targeted heat therapy to soothe aches and pains. Features Relieves muscular tension Promotes relaxation Restores mobility Heat therapy Key Materials: Non woven patch; Iron Powder, Activated Carbon, Water, Salt (Generates heat via oxidation).Nexcare: Trusted for innovative healthcare solutions, specializing in pain relief and wound care products.Apply Directly To The Affected Area. Use As Needed For Relief.Heat Warning: May cause burns. Never use while sleeping, lying on the patch, or with a heating pad. Consult a doctor before use if you are pregnant, diabetic, or have poor circulation. Do not use on damaged or infected skin. Discontinue immediately if the patch feels too hot.