1. First, we get disposable masks and flatten the masks to keep the skin dry and white facing inward. 2. Secondly, hang the disposable sanitary mask on both sides of the rope to the ears and adjust it from left to right to make the force on both ears even. 3. Open the folding part of the mask up and down to completely cover the mouth and nose. 4. Use both hands to adjust the nose plate of the mask to fit the face. 5. Adjust the sides of the mask. Smooth the sides of the mask so that it fits the face. 6. This mask is a disposable item. It is recommended to wear each mask for no more than one day. If you do not wear the mask temporarily, put it in your bag to avoid dust.Material: 4-plys PP spunbond outer layer PP,melt blown high filtration layer PP,needle-punched nonwoven inner layer inner layer 19g,PP spunbond layer Elastic head band: spandex headstraps Marking: As per NIOSH Description: N95 PARTICULATE RESPIRATOR Layers: 5 layers Moq: 400pcs Color: White Lead Time: 2000-10000pcs  2days; 10000-100000pcs  7days. Packing Detail: 1pcs/pack , 20pcs/box,20boxes/ctn