The 3M™ E-A-R™ Classic™ Earplugs are disposable and designed for insertion into the ear canal to help reduce exposure to hazardous levels of noise and loud sound. These products are available in a corded and uncorded version.Protect your hearing at work and home with one of the world’s most popular and commonly used earplugs.3M™ E-A-R™ Classic™ Earplugs were the industry’s first foam design with a 3M proprietary slow recovery foam, engineered to protect against noise. 3M brings technology to life and we’re still as committed to keeping your hearing safe today as 45 years ago when the 3M™ E-A-R™ Classic™ Earplugs were invented.Designed in a comfortable cylindrical shape with a textured surface, it provides an effective seal with greater friction to prevent slippage, even with jaw movement. The soft energy absorbing foam offers a low equilibrium pressure, expanding to the shape of the wearers ear canal providing a comfortable easy fit.Provides noise reduction to 28 dB SNR and fully tested and approved against EN 352-2.