Contains 4 patches in 1 resealable pouch (3-7/8 x 5-1/2 in. each). Menthol 5%, Histamine Dihydrochloride 0.025%. Lasts up to 8 hours. Apply directly where it hurts. Deep penetrating. Long lasting. Gentle on the skin. Flexible, no mess patch. Easy to use. Self-adhesive. Peel-away liner. Soft, breathable, medicated patch.