Introduction 3-WAY FILTER - The earloop disposable protective mask is made from a supportive and powerful 3-layered fabric, with non-woven fabric outer layers and center melt-blown fabric layer. Masks are latex-free. DAY-TO-DAY PROTECTION - High-efficiency 3-layered design helps filter dust and debris. This mask is a general use mask, and it is NOT INDENTED FOR MEDICAL USE. SMOOTH FEEL - Designed for a softer, latex-free and smoother feel for breathability all day long. (NOTE: Blue side of the mask facing outwards while the White side of the mask facing inward, then pinch the metal edge to the shape of your nose.) UNIVERSAL EARLOOP DESIGN - Universal fitted elastic ear loops for a variety of users for instant protection and adding no strains to the ears. Product Specifications Product nameEarloop Disposable Protective Masks MaterialSBPP nonwoven, Meltblown; nonwoven ColourWhite, blue. Quality StandardGB/T32610-2016 Ply3ply Size17.5 x 9.5cm (or as requested) Package50pcs/box Delivery time3-5 days CertificateCE mark approved ApplicationMedical care, food service and safety protection Bacterial filtration efficiency95-99% FeatureDisposable, convenient, dust-proof, anti-virus KeywordDisposable Face Mask Product Details CE Certificate and Test Report Matters needing Attention 1, The mask should be changed in time, and long time use is not recommended. 2, If there are maladaptation or adverse reactions in the wearing process. It is recommended to stop using it. 3, This product s not washable, please make sure to use it within the validity period. 4, Store in a dry, ventilated place, away from sources of fire and combustibles.Earloop Face Mask suppliers website:http://www.chinabettermasks.com/face-mask/earloop-face-mask/