Advanced "no-roll" corded foam earplugs with paddle-style grips make getting a good fit easier than ever. Unique foam formula allows earplug insertion without rolling to keep fingers, plugs, and ears clean. Slow recovery foam inserts easily, then seats and stays in place for comfortable hearing protection.- Reusable Pillow Pack helps keep earplugs clean when they are not being worn.- Paddle-style grips provide quick, clean, and consistent placement and hearing protection.- Noise Reduction Rating (NRR)* 25 dB. CSA Class AL.- Test compatible with 3M E-A-Rfit Validation System.*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.3M is Leading the Advancement of Hearing Conservation.