Precautions: 1. The light blue dots will be added with a "cotton shell" when the fabric is made, and the lighter the more the more obvious it is! But it's not inkjet or dirty, don't worry! !! 2. This product is designed so as not to cover the eyes, so the size will be smaller than that when the medical mask is unfolded, and it cannot be fully expanded. This is a normal phenomenon, not a wrong size! The size of each person's face will also affect the proportion of the wear. Those who care about the size are less suitable for this fixed three-dimensional mask cover! 3. This product does not include demonstration medical masks 4.Single layer of cotton material (no inner lining), so there is a slight thread end. The line is normal! If you are concerned about the above please do not place an order, please consider the urgent order, this product is all handmade! For the emergency mask shortage, leave the medical masks to more front-line personnel! The general public can use the "replaceable cotton mask coat", which puts a medical mask inside, and can only wash the mask coat every day. The mask inside will not be dirty! !! The new favorite of the mask industry, put the mask in the cloth bag of the mask, as long as you change the cleaning fabric, the mask can be used several times! ! ️ As for the effectiveness of the epidemic prevention, you can see it! !! This product is only convenient for replacement. Cleaning! Please do not buy high standards! In the crisis moment of mask limit, maybe we can hold on! !!