Molded Ear Plugs are great for users who are looking to quickly insert ear plugs without having to first compress them, like you do with foam ear plugs. Reusable and made from supple polymer material, these ear plugs are comfortable for extended use and have a Noise Reduction Rating (NRR) of 24dB.Includes a storage case.Molded Ear Plugs:Molded Ear Plugs are great for users who are looking to quickly insert ear plugs without having to first compress them, like you do with foam ear plugsReusable and made from supple polymer material, these ear plugs are comfortable for extended use and have a Noise Reduction Rating (NRR) of 24dBIncludes a storage case