Surgical Procedure Ear loop Face Mask (50 each per box. 40 boxes) MASK, FACE, BLUE, EARLOOP, LATEX FREE Qty - 2,000 Masks. 1 Case. 40 boxes. Pliable nose piece for best fit 3ply, non woven material 100% fiberglass free Fluid Resistant Latex Free Basic Procedure masks with elastic earloops provide complete protection while remaining light and comfortable. Polypropylene outer facing on procedure mask offer a soft, fluid protection barrier while the inner facing assures comfort and breathability. A full-width nosepiece guarantees proper fit.