【Instructions for use】1. Open the mask and insert a filter (if you don't use a filter, you can also use our mask as a cloth mask)2. Cover the nose and mouth with a mask, and fix our nose clip to the proper position of the nose3. Adjust the buckles of the ears on both sides of the mask to the tight position that fits the shape of your face4. Take our beautiful and personalized masks to go out and enjoy the good mood of the dayIf you have any questions about wearing or using, please contact us. We will reply and help you as soon as we receive your message. Thank you for your support and understanding, dear customers.