• Adhesive heat patch for lower back and hip pain. • Therapeutic heat that relaxes muscles and relieves pain. • Easy to use, they heat up on their own. • Leaves no adhesive residue. • Up to 16 hours of pain relief. • Recommended for athletes and people with physical exertion. • Relieves muscle and joint pain associated with fatigue and tension. • Useful for strains, sprains, and arthritis. • Provides up to 8 hours of constant heat and 8 hours of relief after use.