3M™-1120-Earplugs-200-Pairs-3M-1120-The-3M™-1120-Ear-Plugs-200-Pairs-have-been-designed-with-soft-hypoallergenic-PU-foam-material-providing-maximum-comfort-&-low-pressure-inside-the-ear-Their-special-formulation-material-make-these-plugs-less-prone-to-soak-up-water-in-humid-environments-to-maintain-performance-while-the-smooth-surface-helps-prevent-picking-up-unwanted-dirt-for-a-more-hygienic-fit-3M™-1120-Ear-Plugs-200-Pairs