1,800 Business Cards: The Reference card box can accommodate 800 business cards, and the first letter reference of A to Z is easy to find by classification. 2,Transparent Plastic: Engineering grade transparent plastic, the internal business card storage is clear at a glance, and the sliding convenience makes business card management easier and faster. 3,Increase Internal Space: Increase the internal space, easily store business cards of various sizes, and provide a comfortable office environment, away from clutter. 4,Extendable: Both ends can be extended, easy to expand the space for easy search, and it is convenient to store more things. 5,Iron and Plastic: The Systematic card box is made of iron and plastic, which is sturdy and durable, with clear printing, strong, non deformable, and long service life. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store