Reddit reviews 3M Ear Plugs, 200 Pairs/Box, E-A-R Classic Plus 310-1101, Uncorded, Disposable, Foam, NRR 33, For Drilling, Grinding, Machining, Sawing, Sanding, Welding, Slightly Longer Ear Plug, 1 Pair/Pillow Pack

SECURE: Exposed cell surface texture resists movement and helps maintain an effective seal creating a comfortable, snug noise barrier. Noise Reduction Rating (NRR) 33 dB. CSA Class AL. *OUTSTANDING COMFORT: This unique slow-recovery, low-pressure foam and special cylindrical shape help enhance comfort throughout the day by creating lower pressure in the ear canal.LONGER SIZE: Classic Plus ear plugs are 20% longer than the regular E-A-R Classic ear plug (and the same diameter) to fit deeper into the ear canal and help provide higher noise reduction.SOFT SOUND-ABSORBING FOAM: Proprietary foam is initially firm to make fitting the ear plug easier, then softens once it’s in the ear to comfortably conform to the unique shape of each ear canal.SWEAT AND HUMIDITY RESISTANT: Classic ear plugs are resistant to moisture absorption for consistent fitting even in humid environments.VERSATILE: Use while chipping, chiselling, drilling, furnace operations, grinding, heavy equipment operations, machining, pouring/casting, power fastening, riveting, sanding, sawing and welding.CLEAN STORAGE: Reusable pillow pack helps keep earplugs clean when they are not being worn.For industrial/occupational use only. Not for consumer sale or use.