Refill your Earplug Dispenser with JORESTECH Earplugs. With a Noise Reduct Rating (NRR) of 32dB,they are built to ply with the highest standards of safety for ear protect,as established by ANSI and CE. Built with ultra-soft,slow-release fo,they adapt to the inner contours of the ear canal for a fortable and personalized fit that forms a se seal,effectively bloing out noises and keeping earplugs in place. 500 Units = 250 Pairs BULLET-SHAPED FORT: Adapts to contours of inner ear to keep earplugs sely in place NRR OF 32DB: for shooting,operating loud hinery,sleeping,and more ANSI AND CE PLIANT: Built to ply with the highest safety standards for hearing protect LONG-TERM FORT: Ultra-soft,low-prure fo for protect you’ll fort you’re wearing! VERSATILE: Low-prure fo expands slowly to fit all ear sizes for fort and adaptability.