Your filing cabinet's a graveyard. Reports from 2019 are wedged between the 2025 budget and someone's old conference handouts. You need a file that actually holds its shape, keeps everything in, and doesn't split at the spine after three months. The Marbig polyethylene lever arch is built for that. Metal edges take the wear. The locking lever arch keeps documents from sliding out when you stack it. The ratchet fitting snaps shut so the file stays closed on a shelf. A4 size, blue, and it does the job without drama