Wear earrings again, even if you have metal allergies or sensitive skin! E'arrs brand patented pierced-ear protectors get 5-star reviews. Each package includes eight sleeves and four backs. To use, slide a sleeve over an earring post, then secure on the ear with the non-metal back. Once correctly installed, these ear protectors prevent metal from touching the wearer's skin, eliminating sensitivity and irritation. They are economical, reusable, and easy to transfer from one earring to another. Comfortable and safe for people with metal allergies.