Mask Cover Mask Accessory Brand New, Unopened Nike Mask Black Mask Brand Mask Nike Face Mask Breathable. Washable, so you can use it repeatedly and hygienically. Color: Black Fabric: 95% Polyester, 5% Polyurethane Size: FREE SIZE (Standard Size) Length 13cm, Width 18cm. Color: Black Unisex Antiviral material Shipped via anonymous Rakuraku Mercari delivery.