National Museum of Western Art World Heritage Site Registration 5th Anniversary Commemoration 3D Cloth Mask Two types Unopened Size: Approximately 14 x 23 cm Material: Polyester/Cotton (mask body), Polypropylene (filter), Polyester/Polyurethane (ear straps), TPE (adjuster) Ear straps can be adjusted with the adjuster. It's difficult to see in the image, but there's a one-point mark on the left side. Will ship both masks together.