Use what you need and zip to close

• Zip-top refill bag contains the world's most popular polyurethane foam ear plug
• Use what's needed to refill dispensers and zip bag closed to keep remaining ear plugs clean
• Contoured, bell shape is easier to insert, and resists the tendency to back out of the ear canal
• Polyurethane foam enhances comfort, especially for long-term wear
• Smooth, soil-resistant, closed-cell foam skin prevents dirt build-up
• NRR 33 dB ensures excellent protection in noisy environments
• 200 pair per bag