High quality 3 ply disposable face masks for everyday use. Each box contains 50 masks that come in a sealed pack. Made in Canada under strict ISO standards and in a sterile environment. HIGH QUALITY: Samples are tested regularly to ensure filtration efficiency meets the highest level ASTM F2100 performance LEVEL 3 standards. COMFORT: Soft elastic ear loops for extra comfort. Aluminum wire nose bridge ensures tight, comfortable fit. Perfect for indoor and outdoor use, for all occasions whether professional work or recreation. PROTECTION: Triple layer masks feature a moisture absorbent inner layer and a moisture repellent outer layer with pleated polypropylene for full coverage of nose and mouth. Latex and fiberglass free. Intended for single use.