Service: Please look forward to GAK. The goods you ordered will be delivered within 7-21 working days. If you have any questions, please contact us in time and we will reply within 24 hours Package contents: surgical mask surgical mask with elastic band and disposable mask adapted to the bridge of the nose, very suitable for protecting your daily health Multi-layer protection: 3 layers This dust filter mask protects your phone from dust, cold, ashes, pollen, allergies, mist, car exhaust smoke, and protects your neck and lungs Easy to carry: comfortable and soft, with perspiration and good breathability. You can wear it for a long time, and it will fit your face better. Small facial effect is very good Wide range of applications: Can be used in electronics production, cleaning rooms, catering, food processing, schools, motorcycles, beauty care, environmental cleaning, public places, etc.