Disposable Mouth Masks, Professional 3-Layer Thicker Anti Dust Breathable Disposable Earloop Face Mask, Comfortable Sanitary Mask Feature: Color: blue Type: Civilian masks disposable Size:17.5x9.5cm/6.9*3.7 inches, One size fits all Package Include: 50 x face mask Cover nose, mouth and chin for full protection, Ring ears are held safely Help protect one of your most vital assets which is your respiratory system Great for nurse, painters, construction workers, staff. Versatile: dust, salon, general maintenance. Note: The hook of the mask is elastic, but please don't pull it hard, it will affect the elasticity.