Standard Construction: the Product Consists of Surface Layer, Middle Layer, Bottom Layer, Mask Belt & Nose Pad. Composition: Made From Melt-Blown Fabrics & Non-Woven Fabric, the Nose Pad is Made of Polypropylene Which Can be Bent & Shape. Application Disposable Masks Covering the Users Mouth, Nose & Jaw for Blocking Inhalable Particles, Bacteria, Industrial Dust, Smoke, Pollen. Instruction Make Sure the Inner Package in Good Condition, Use the Products Within Expire Date. Apply Mask to Your Nose & Mouth, Secure the Two Ear Loops Around Our Ears. Pinch Nose Piece to Confirm to Your Nose. Attention Non-Medical Non-Reusable, Do Not Use the Damaged or Expired Products. Storage Life: 2 Years. Recommend Length of Time for Use: Within 4 Hours. If There is Any Discomfort During Use, It is Recommended to Stop Using. These Products Are Not Personal Protective Equipment These Products Are Not Medical Devices These Products Are Not Suitable for Use in Nhs or Care Home Settings Sealed & Boxed in 50’S, Inner Box Size 18X10x9cm, 210G, (4G Per Mask) Country of Origin : China Commodity Code : 6307909810 Minimum Quantity: 500