VEVOR Literature Organizer, 4 Compartments Office Mailbox with Detachable Shelves, Wooden Mailbox Sorter with Side Vertical Storage, Countertop Office Home Organizer for File, Document, Paper, Brown

 Hello, the internal dimensions for holding documents are 309 × 220 mm. You can check this from your end as well. If this answer does not resolve your current issue, please contact us again for assistance.