3M 1860 Face Mask is manufactured to provide high protection people against 0.03 micron dust particles. It is crafted from laboratory tested sponge cloth, which is soft to feel, breathable, non-irritant to skin, and lightweight. Featured with adjustable aluminum strap, the mask has 2 nos. elastic cord ear-loops to wear it perfectly. Its ideal thickness and dimension doesn't allow any dust particle, bacteria, germs and liquid & solid aerosols inside the mask. 3M 1860 Face Mask can be bought from us in needed quantity with hygienic packaging.