The ONLY ones that ever worked
The 3M/aosafety/ etc yellow foam earplug is the original pvc foam plug and about the only one that has ever worked. The foam is slow rebound, has good holding characteristics and STAYS in the ear. All of the newer ones that use silicone foam are slicker, have the wrong rebound characteristics,and crawl out of my ears quickly, jump on the ground and then no longer protect my hearing. The straight cylindrical form of the 3M plug also lends better ability to remain in place in the ear canal unlike the tapered form of the silicone plugs. Try this item, you will never again buy other brands. These can even protect hearing in a Baptist church with the new music approach that louder is better in congregational singing. I have used them in this venue as well as at the shooting range for decades.
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