Briefcase with plastic mustache. A modern alternative to a binder that holds up to 800 sheets (twice as much as a standard binder). Thanks to the adjustable back width, it takes up less space on the shelf when storing fewer sheets. The perforation in the cover allows for binding and ensures that the product remains stiff even when fully loaded. The gray binder is acid-free and made from recycled materials. It is also designed for storing documents in sleeves.