3M E-A-R UltraFit Corded Earplugs are durable, reusable corded earplugs that are easy to use again and again. Helping to reduce waste, these yellow earplugs are made of soft polymer that are washable and reusable. Each pair of earplugs are a pre-molded, triple-flange design that inserts easily into the ear canal, so no rolling or sizing needed to get a comfortable, protective fit. Each pair of earplugs come in a poly bag keeping each pair accessible for re-use. Noise Reduction Rating (NRR): 25dB. CSA Class AL