Moldex MX-6 6130 Earmuffs are durable, lightweight, and purpose-built for reliable over-ear hearing protection in higher-noise industrial environments.Features - Cushion-ribbed headband & non-slip wire - Overmolded headband - Lightweight wire frame - NRR 30 dB - PVC-free - Meets ANSI S3.19 1974 & AS/NZS 1270:2002 - Black/Green - 1/Each