Type: medical mask Applicable People: Adult Standard: YY/T 0969-2013 Filter Rating: 99% Place of Origin: Zhejiang, China Brand Name: QAINJIE Model Number: 17.5*9.5 earloop Size: 17.5*9.5 cm, 17.5*9cm Stock: Yes Shelf Life: 2 Years Quality Certification: TUV Safety standard: GB2626-2006 Instrument classification: Class II Material: other, 3ply (non-woven+Anti-bacterial meltblown cloth+non-woven) Function:: Protection,Surgical Supplies Product name: Disposable Face Mask MOQ: 1000pcs Package: 50 Pieces/box Keyword: Surgical Medical Face Mask BFE: 98% - 99.9% Layer: 3 Ply Mask