Protect ears from loud noise and vibrations with proper ear protection. Impact Products 7311C Disposable Corded Ear Plugs are a pair of bright orange foam plugs attached to a blue, plastic cord. The plugs are gentle and self expanding to adjust to the right size of the ear canal. Individually bagged by pair and One-Size fits all. Meets ANSI S3.1974 requirements with a noise reduction rating of 31. Made in the U.S.A. - Orange/Blue; Foam/Plastic - Sold per box; 100 bagged pairs/box; Order 10 boxes for a master case