※ The color is black. These are parts for making masks using kitchen paper, cooking sheets, etc. For resolving mask shortages and preventing infection! Holder material: Genuine leather. *Please be aware if you have a metal allergy, as it is fastened with metal fittings. Size: Approximately 4.5cm x 8.5cm. Hole size for string: Approximately 3mm. String material: Polyurethane nylon. String size: Approximately 3mm x approximately 40cm x 3 strings. String elongation rate: Approximately 200%. Three spare mask strings are included. Only the holder and strings are sold. Masks are not included. Please prepare your own kitchen paper, etc. Insert the mask elastic into the mask string holes and tie knots at both ends of the mask elastic. The length of the elastic can be easily adjusted to fit the size of your face. Fold the kitchen paper horizontally and fold the ends to the length of your face. Or, cut it and make a 5mm incision with scissors in the part where the hook hole comes, insert it into the hook hole, and just close the button. You can freely make them for children to adult sizes.