Handmade masks for upper elementary school students to adults. 12 black masks in a set. Material: 100% Japanese-made double gauze cotton Width: 14 cm Height: 10 cm (These are handmade items. There may be slight variations. Thank you for your understanding.) The mask strings are not tied. Please adjust the size to fit. There is stock available. If you would like to order more, please comment. Please note that the pattern may appear differently in the photos. Only those who understand this, please purchase.