Place of Origin: Jiangsu, China Brand Name: BiTin Model Number: YINYUN Disinfecting Type: OZONE Properties: Medical Materials & Accessories Size: 4mm Stock: yes Shelf Life: 2 years Material: PE+galvanized iron wire Quality Certification: Sgs Instrument classification: Class I Safety standard: none Product name: 4mm double core nose bridge Color: White MOQ: 20KG Packing: Box Key word: nose wire/nose bar/nose clip/nose strip Advantage: Good shaping effect properties: Nose shaping of mask