Howard Leight SmartFit® Corded TPE Earplugs (100 PR)
Amazon.com: Hearprotek earplug Headphones for Work, Safety Foam Earbuds Headphones That Look Like earplugs for Hearing Protection Noise Isolation-Great for Work Shift, Construction, Lawn Mowing, Heavy Machinery : Tools & Home Improvement
Howard Leight MAX Uncorded Foam Earplugs, Small (200 PR)
Amazon.com: 3M Corded Reusable Earplug, 3-Pair with Case, Orange/Blue : 3M: Health & Household