25/case instructions: 2 hours before going outdoors remove patch from backing and place on a clean, dry, hairless area of the body. Wear the patch for up to 24 hours. Protection lasts 36 hours per patch or 9 days of protection per sheet. Patch is odorless to humans, no known harmful side effects or allergies, no toxicity, no hazards when thiamine is taken orally or by patch. Ingredients: thiamine b1 300 mg other ingredients: medical grade hypoallergenice adhesive 02/02/12
