Features and benefits Smooth mobility with universal pulleys: easy push and pull operation, reduced effort when moving loaded shelves. The integrated handle design provides a comfortable grip for frequent use. Strong loadbearing capacity: designed to support substantial weight on multiple tiers, suitable for books, files, and office supplies without sagging. Layered, organized storage: a multitier layout that creates hierarchical classification for neat, orderly storage. Items are easy to categorize and retrieve. Large capacity in a compact footprint: ample storage space across several shelves while remaining compact and spaceefficient. Spacesaving design: compact construction minimizes footprint and makes good use of space under desks, keeping work areas clear. Durable and versatile: built for regular use in libraries, offices, classrooms, and home workspaces. Compatible with library cart or mobile desk shelf applications. Use scenarios Library circulation and study areas: move books and reference materials between shelves and reading desks with ease, maintaining tidy, accessible displays. Office, classroom, or conference settings: transport documents, files, and stationery between workstations or meeting rooms while keeping items organized on multiple levels. Home or small workshop spaces: use underdesk space efficiently for storing study materials, craft supplies, or paperwork, maintaining a clean, organized workspace.