LARGE CAPACITY- Multi-Layer design makes it big enough to organize everything on the desk, including magazines, notebooks, mails, catalogs, reports, file folders etc SPACE SAVING - Stackable A4 letter trays can be placed vertically & maximize space to organise and classify your documents and folders Hollow-out design makes it more functional. Great for office, classroom or home organization This document tray makes your desk clean and tidy SUPER DURABLE - Made of solid HIPS plastics, featuring sturdiness and durability.