Moldex 6451 Twisters Trio Cord Earplugs with a Noise Reduction Rating (NRR) of 33 dB. These reusable earplugs feature a multi-curved stem that rotates for a custom fit and a large handle for easy insertion and removal. The soft, washable TPE pods ensure comfort and can be used for several weeks before disposal. They come in a convenient storage container to maintain hygiene between uses.