About this item Partitioned Storage: This office mailbox features the left and right partitions to provide various storage solutions. You can store documents and envelopes neatly on the left shelf, or place thick folders vertically in the right compartment for easy access Detachable Shelves: The 3 inner dividers on the left can be removed according to your needs, and the compartment layout can be flexibly adjusted to store items of varying sizes and create a personalized storage space Multiple-Scene Application: Our mail sorter organizer is compact and practical, with a multi-layer design to make the most of desktop space. Whether placed in a classroom, office or library, it can be easily integrated to create a convenient working environment for you Hassle-Free Assembly: All installation accessories and detailed, illustrated instructions are provided. The included label stickers help you with classifying your files. Just follow the step-by-step instructions to complete the installation effortlessly High-Quality Materials: Crafted with premium particleboard, the mailbox sorter is sturdy and durable with a smooth surface that is easy to clean. The bottom has sponge mats to prevent slipping while protecting the file holder from scratches