Flents Soft Foam ear protection plugs greatly reduce noise levels and fit comfortably in your ear . The ear plugs are made out of a soft foam that is easily compressed and inserted into the ear. Perfect for hearing protection in loud environments or for ensuring silence when trying to focus or concentrate.  Provides hearing protection from construction, heavy machinery, hand tools, music and other loud environments. Features Hearing Protection: for Sleeping, Loud Noise, Concerts, Construction, Heavy Machinery, Music, and other loud environments. Also great for creating silence Convenient: 4 Pairs, Easy to Take Anywhere 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) Manufacturer SKU: K30