GOOD ENVIRONMENTAL CHOICE Certified Product. Made from 100% recycled material and eligible for ACCOs Take-Back Policy (return to ACCO for recycling at the end of its life). Marbig Enviro document trays are stackable, allowing you to create the ideal filing/storage system. The trays come in both landscape and portrait configuration. Portrait W280xL335xH70mm, L/scape W245xL402xH72mm.