The Acrimet Facility letter tray is made of high quality plastic, thick walls and metal brackets for unmatched durability and maximum stability, as well as anti slip and scratch bottom pad. Easy access to files. Features a slightly beveled on the front of the tray to prevent documents from slipping out. Additional brackets are available to add more levels (Sold separately on Amazon as Acrimet Metal Support Brackets), offering flexibility to customize and expand storage capacity as needed. It adapts to the size of the Acrimet Facility Letter Size Front Load tray, that can be added with the brackets. Ideal for organizing documents, letters, files and much more. Perfect for offices, homes, clinics, hospitals, schools and many more. Accessories not included. Colors may vary due to different visual screen configurations.