TruGuard, Pair Foam Ear Plugs In Fishbowl Display, Tested In Accordance With ANSI S3.19-1974 Standards, Best Suited ForMowing & Trimming The Lawn Power Tool Use, Traffic & Office Noise & Sleeping In Noisy Rooms, Features Low Pressure Plugs For Extra Comfort & Fits Wide Ranges Of Ear Canal Sizes, 100 Pairs In The Fishbowl.