Description: The corn plaster is produced by Chinese traditional medicine and advanced technology. The corn plaster with hole can reduce the pain of your corn by reducing the friction of your corn with shoes. It is a better solution for the people who suffers from the sore spot. Purpose: Reduce friction and pressure on painful callus, corn, blister and give immediate pain relief. Directions: 1.External use only for adults over 16 years old. 2.Soak feet in hot water for 10 minutes before using. 3.One plaster for 24 hours. Cautions of Foot Corn Plaster: 1.Tight shoes 2.Deformed toes (Hammer toes) 3.Seam or stitch inside the shoe which rubs against the toe 4.Abnormality of walking 5.Surgery to the lower extremities 6. Bunions 7. Don't use if you have diabetic leg.