About this item20 RESPIRATOR MASKS: N95 safety masks protect you from at least 95% of non-oil-based airborne & non-volatile liquid particles while still featuring low breathing resistance, making it easy to talk.COMFORTABLE DESIGN: Soft non-woven, synthetic polyester urethane foam on the outside offers comfort & polypropylene meltblown fiber filter inside protects against contaminants for up to 8 hours.SECURE FIT: The adjustable, durable aluminum nosepiece can be shaped along your nose bridge to prevent leakage or eyewear fogging while the high elasticity head-straps ensure a tight & secure seal.DISPOSABLE FACE MASKS: Use for medical, construction, DIY home improvement, cleaning, mowing, gardening, and other projects that require protection from airborne contaminants.PERSONAL PROTECTIVE EQUIPMENT: Includes 20 Medium/Large size NIOSH certified masks from Makrite Industries Inc. Compatible with PPE including safety goggles, glasses, ear muffs, & hard hats.