Gratnells Tray Lid Four Pack
These clip-on lids provide extra security and fit all trays (shallow, deep, extra deep, jumbo) .
Translucent to see contents. Lidded trays can easily be stacked on top of each other.
Tried using just the trays but dust gathered! The lids are the answer, keeps all manner of stationery etc in order and free from dust. They are sturdy, fit well and easy to remove.
does what they say