Polypropylene Facemask - Round Ear Loops - 3 Ply - 7"x3.5" - Blue Disposable, comfortable, and lightweight Adjustable flat aluminum nosepiece Available with knit ear loop, covered round ear loop, or ties This item is sold and priced per case (1000 masks per case). Physical Characteristics: Cleanroom contamination control, disposable non-woven face mask with floss-covered round elastic ear-loop for comfort. Compatible for use in CLASS 100 environments, non-linting. Packaging and Markings: 50/ Double poly bag, 20 bags/ case ( 1,000 Pieces/ Case) White exterior, 5 layer/ double walled carton