Name: 100% cotton masks for men Material: 2 layers washable fabric+1 layer nanometer melt-blown fabric Feature: Embroidery craft-colorful, highlights the 3D sense Reusable, washable with over 15 times BFE-filtration rate is over 95% Adjustable ear-loop and nose bridge to fit different face shape Usage: daily protective fashion adult masks Size: 15x20cm