HOW TO USSE: 1.Put the mask between the nose and chin. 2.The back of the mask can be fixed with a Velcro. 3.The satin aluminum bridge on the bridge of the nose can be installed and adjustable according to your face and nose. 4.Check if it is appropriate: cover your face with your hands,then breath hard and feel if there is air flow. 5.Make sure you are comfortable after wearing this mask by adjusting the back of the Velcro. DESCRIPTION: Color: Black Material: chinlon, nylon Size: 13 X 6.7", One size fits most  Function: Protection against sand and dust Net Weight: 3.17oz Design: Ergonomic to human faces, covering area below bridge of nose, non-slippery aluminum fitting parts, with small holes for breathing NOTE: - Please kindly know that measurement of size above is for your reference, there might be slight allowable discrepancy. - The color of the item might appear slightly different because of different screen display settings. PACKAGE INCLUDING: 1 x Dust Mask
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