HEAROS Reusable Hearing Protection Ear plug Blue, with case, 50 pairs Item Description Product is like new and inspected to have not been used. It cannot be sold as new due to wear from shipping. The F4 Reusable ear plug soars with NRR27 protection, comfort and fit. Thanks to its innovative 2 dome and 2 disk flange design you can experience all day comfort in a reusable ear plug. Available packaged in a polyethylene bag or in our innovative POP Case. Uncorded. Free Shipping on All USA Orders! International Shipping Available Aswell. Feel free to contact us with any questions or concerns that you may have. We're here to help.