HEARING PROTECTION: for Sleeping, Loud Noise, Concerts, Construction, Heavy Machinery, Music, and other loud environments. Also great for creating silence | | Multi-purpose, can be used for sleep, travel, work, concerts, or to block external sound | | COMFORTABLE FIT: Smooth, Comfortable, Extra soft and extra light foam that tapers to your ear canal for a custom fit | | 33 DECIBEL NRR (Noise Reduction Rate) | | Made without Natural Latex | |