Common materials include medium‑density fiberboard (MDF), particleboard, engineered or technical wood, and wood-framed constructions. Many listings use engineered wood or combinations of these materials.
Many cabinets include hanging rails or adjustable rods that accept letter and A4 hanging folders; several listings also explicitly state support for legal-size files. Always confirm the supported folder types in the product details.
Many cabinets are mobile and come on rolling casters—typically four or five universal/360° casters. Several models include lockable casters or brakes so the cabinet can be secured when stationary.
Common features include adjustable hanging rails or bars for folders, multi-position adjustable shelves, full‑extension drawer slides on some models, and lockable drawers or doors on select units.
Most listings state that adult assembly is required. Some packages include basic tools, while others explicitly note that tools are not provided—check the product description for details.