Set of 6 cloth masks Outer fabric: Cotton or linen Inner fabric: Gauze For elementary school students (lower grades) Size: Medium Length: Approximately 12 cm (at the highest point of the nose) Width: Approximately 20 cm Elastic: Approximately 27-28 cm (The elastic will be threaded through the mask before shipping) These masks are made with care, but they are handmade by an amateur hobbyist, so there may be slight imperfections such as misalignment, distortion, or re-stitching. Please refrain from purchasing if you are looking for a perfect product or are overly concerned about minor flaws. Please note that the masks will be folded for shipping. Material: Cotton