HEARING PROTECTION: for Sleeping, Loud Noise, Concerts, Construction, Heavy Machinery, Music, and other loud environments. Also great for creating silenceCONVENIENT: Jar holds 50 Pairs, Easy to Take AnywhereCOMFORTABLE FIT: Smooth, Comfortable, Extra soft and extra light foam that tapers to your ear canal for a custom fit29 DECIBEL NRR (Noise Reduction Rate)LATEX FREEMADE IN THE USA