MAXIMUM STRENGTH RELIEF — Provides temporary relief of minor aches and pains of muscles and joints associated with arthritis, simple backaches, strains, sprains and bruises. Effective for up to 12-hours. Apply directly to the skin. LIDOCAINE TOPICAL ANESTHETIC — Containing 4% lidocaine, these patches work by desensitizing the nerves, effectively numbing the pain where the patch is applied. 6 COUNT PACK — 6 individually wrapped 3.93” x 5.5” patches per box; keep your medicine cabinet and first aid fully stocked for when you need it most. Generous patch size can be cut to size needed. SUPPORT AND INSTRUCTION — Follow the detailed use instructions, as well as the warnings and cautions, before use. Single, one-time use only. Printed directly on the individual pouch, instructions are easy to follow and use. NO-MESS —Flexible adhesive patch offers the pain relief of lidocaine without the mess of creams or ointments; odor-free. Compare to Salonpas Lidocaine patch active ingredients