ELVEX Trisonic Reuseable Ear Plug Made in USAFEATURES: -Noise reduction rating (NRR): 25 dB CSA Class AL -Material: silicone -Plug Color: Orange -Length: approx. 65cm -Washable and reusable -Compact design for easy storage and carry -Made of soft and snug silicone for better hearing protectionAPPLICATIONS: 1) Assembly and mechanical. 2) Chipping, chiseling, cleaning, drilling, furnace operations. 3) Grinding, heavy equipment operations, machining, metal repair. 4) Painting, pouring/casting, power fastening. 5) Riveting, sanding, sawing and welding. Industries: 1) Construction 2) General manufacturing 3) Mining 4) Oil and gas 5) Transportation*Packing: 1 Pair per PackNote: -Please allow 2-3cm errors due to manual measurement -Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same Show More Show Less