Made with 3 layers of material, these masks offer a higher level of filtration and protection compared to lower quality masks. Each package contains 50 pieces of masks, ensuring that you have enough to last for a longer period of time. These masks are perfect for use in medical facilities, laboratories, and other settings where protection is essential. Please note that these masks do not come with a box. However, we assure you that the quality of the masks is not compromised by their absence.