Because the headband is adjustable

and comfortable for all ages

Removable tank that now has top fill feature

with volume control buttons and flashing coloured lights to indicate different settings

Fabrication and many more

3M EARsoft™ SuperFit™ Corded Ear Plugs (SLC80 24dB, Class 4) Collection_Earphones For Work Because the headband is adjustable3M E A Rsoft corded foam earplugs seal the earcanal with soft, slow recovery foam for excellent noise reduction and reliable hearing protection. Orange fitting ring provides a guideline for proper fitting and visual compliance check. The 3M E A R E A Rsoft SuperFit Earplugs, Hearing Conservation, seal the earcanal with soft, slow recovery foam for excellent noise reduction and reliable hearing protection. An orange fitting ring provides a guideline