Description Ideal for desktop filing and organisation, this Avery wide entry letter tray is made from durable, high impact polystyrene and is suitable for both A4 and foolscap documents, with a generous wide entry for easy access to contents. The tray is stackable with Avery risers (available separately) for additional, space saving storage. This pack contains 1 black letter tray measuring W367 x D254 x H63mm.