One-size fits all with these comfortable, reusable earplugs. They have triple flanged protection to help keep out the loudest of noises. Recommended for those who are exposed to loud noise over long periods of time. Comfortable and washable. These earplugs are connected together with a cord to help keep track of your earplugs without losing them. (1 Pair - Corded) Made of standard elastomeric polymer foam. (carrying case not included).