3M™ E-A-R™ Classic™ Earplugs 310-1001, Uncorded, Pillow Pack; The world’s first foam earplug—trusted comfort and protection with moisture-resistant, slow-recovery foam in a convenient pillow pack.

The 3M™ E-A-R™ Classic™ Earplugs 310-1001 set the industry benchmark as the original foam earplug, offering proven hearing protection and comfort for industrial environments. Made from proprietary slow-recovery foam, these earplugs conform to the ear canal for a secure acoustic seal, helping reduce exposure to hazardous noise.

The cylindrical shape fits most ear sizes and ensures consistent performance, while the moisture-resistant foam maintains comfort even in humid conditions. The pillow pack packaging allows for hygienic storage between uses, making it ideal for shift workers and frequent visitors.

With a Noise Reduction Rating (NRR) of 29 dB, these earplugs are compatible with the 3M™ E-A-Rfit™ Dual-Ear Validation System, enabling fit testing for personalized protection. Designed for single-use, they are widely used across manufacturing, oil & gas, pharmaceuticals, transportation, and maintenance operations.