Disposable Surgical Face Mask: Material: PP non-woven, melt blown Size: 17.5 * 9.5cm (+/-0.5cm) Type: Ear loop Layer: 3 Colour: White and Blue Filtration: 95% filtration efficiency Product Features: Disposable, single-use, breathable, light and environment-friendly Elastic earloop with dural point attachment helps provide a secure seal; Adjustable nosepiece for extra comfort Come in a Box of 50 20K available and ready to be collected / delivered from London.