3-Ply Premium Dental Surgical Medical Disposable Earloop Face Masks (FDA APPROVED) (600 PCS / 12 BOXES, GREEN) Helps filter out dust, pollet, bacteria, smoke Easy to breathe through Soft, odorless, non-irritating 3-Ply For Extra Protection Latex free, fiberglass free SoftNon-Woven Material MedicalGrade Fluid-Resistant Bacterial Filtration Efficiency (BFE) is Greater than 99% Easy to breathe through Soft, odorless, non-irritating 50 Face Masks Per Box (12 Boxes) Hold mask with green side facing out and nosepiece up Place mask over nose and mouth and place an earloop around each ear Pull bottom of mask under chin and mold the nosepiece around the nose Single use only. Discard the mask after use