Non-woven fabric 3D mask filter sheets, individually packaged for hygiene. Contains 46 sheets. Purchased around the spring of 2020. When shipping, I plan to divide them into two bags due to the thickness, and then put them in an envelope for shipping. - Type: Mask - Package: Individually wrapped - Design: 3D - Material: Non-woven fabric Please purchase if you understand that these have been stored at home. Thank you for looking.