This stylish and contemporary sigel eyestylereg letter tray in white is suitable for a range of paper formats from a4 to c4 it has a wide front opening and can be used alone or stacked or cascaded with other letter trays to create a complete and organised filing system stylish contemporary design for the modern office suitable for a range of paper formats and sizes including a4 wide front opening for convenient retrieval capable of stand alone use or stacking for effective use of space sle