The Really Useful T41 Lipped A4 Plain Tray Clear has been designed to be a two tier structure, each tier being composed of one tray to house any paper of A4 print size. The tray is completely clear in colour and does not accumulate dust, dirt of patches even after prolonged usage. The tray is sturdy and each tier rests on a supporting pivot that has amazing structural strength. Thus you do not need to worry about the load of papers and files that you put on the trays.