meori Foldable, Lava Black, Collapsible Box is an Office to-Go, Organize, Store and Transport Hanging Files, Documents and More, Fits 8 1/2 x 11 Letter Paper The meori office Box is your new office to-go; featuring rails for Hanging folders, re-writable tag to label contents & two interior Mesh pockets meori foldable Boxes fold & unfold in three quick steps; when open, it's a stable, sturdy container; when Closed it is compact & easy to store Keep important paperwork, files and office supplies organized at home, in the office or on the Road; fits standard 8 1/2 x 11 inch letter paper Can hold up to 65 lbs.; measures 12 x 13 x 12 3/4 inches when open; 12 x 13 x 1 1/9 inches Closed; rails are shipped in interior Mesh pocket meori Boxes are Made from high-grade, tear-proof, dirt-resistant polyester; simply wipe clean with damp cloth