Envelope design with snap button, made of heavy-duty felt, durable and stylish, a good helper of your work. Protect your documents with durable, dirty-resistant felt files. Suitable to store pencil, notebook and stationery, file, odds, and ends. Help you organize your documents in one document holder for easy take. Improve the efficiency of our work. An ideal promotional handout at schools, offices, education fairs, and more.