This simple idea makes Mack's some of the only foam ear plugs you can use at a concert or club and not suffer that blocked-up-ear feeling

The shape of these Earasers Peace and Quiet Earplugs is quite clever

Frequency Hz 63 125 250 500 1000 2000 4000 8000 Mean Attenuation dB 27

you can always exchange them within 30 days

The swelling is due to inflamed blood vessels

3M™ Peltor™ HY82 Hygiene Kit for Alert XPI Headset Military Green This simple idea makes Mack'sReplacement cup cushions to ensure a proper tight seal for optimum protection, as well as new foam inserts. Each Hygiene kit contains 2 x foam inserts and 2 x cup cushions which can be replaced in a few easy steps For use with the 3M Peltor Alert XPI Headset, 3M PELTOR DAB+ & FM Radio Headset, and many more.