Discover the high quality of the Inbox Zero 4 Tier Letter Tray Features Strong and functional design. High-quality plastic Anti-slip and scratch bottom pads Sturdy aluminum brackets with an extra height between trays The facility letter tray is made of high-quality plastic, thick walls, and metal brackets for unmatched durability and maximum stability, as well as an anti-slip and scratch-bottom pad. Easy access to files. Features a slightly beveled front tray to prevent documents from slipping out. Ideal for organizing documents, letters, files, and much more. Perfect for offices, homes, clinics, hospitals, schools, and many more. Colors may vary due to different visual screen configurations.