ULTRX Sound Blocker Passive Earmuff Black Provides a Noise Reduction Rating (NRR) of 23dB for excellent hearing protection;Complies with ANSI S3.19 safety standards for reliability and quality;Features soft, padded ear cups for optimal comfort during extended use;Compact and foldable design for space-efficient storage and transport;Ideal for use in noisy environments like shooting ranges and workshops;Incorporates modern sound and wave protection technologytable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 3700 Product Group Code: 3700B Inactive: No