Unique patented three-flange design. Longer body makes insertion easier. Made from soft and durable material. One size fits most ear canals. Comes with storage case. 3M™ E-A-R™ Ultrafit Earplug UF-01-020, pre-molded earplug, ideal for tough applications requiring durability and strength. One size fits most ear canals and offers high attenuation. CE Approved. Reusable, no need for affusol. Available in corded version. RNR < 85dB (A) 83 dB (A) - 93dB (A) 94dB (A) - 105dB (A) 14dB 20dB 32dB 94dB (A) - 105dB (A). Pre-molded earplugs for dirty and dusty environments. Surveillance for intermittent/short-term noise exposure. General industry 32dB 2 red dots 94dB (A) - 105dB (A). 50 pairs/pack