Protect your hearing with these E-A-R TaperFit Uncorded Earplugs (MMM3121219). They re ideal to use in noisy work environments. The E-A-R ear plugs are made from soft roll-down foam with a tapered design that expands to fit the ear canal and provide a low-pressure comfortable seal. The poly bag keeps polyurethane foam earplugs clean before use and the no-roll design keeps fingers earplugs and ears clean. These yellow ear plugs have a noise reduction rating (NRR) of 32 decibels. The CSA Class AL earplugs are test-compatible with the 3M E-A-Rfit validation system. The paddle-style grips provide quick clean and consistent placement and keeps the tips clean even if hands are dirty.