1 Each. Front-loading letter tray holder features an interlocking design to allow you to stack additional trays facing in the same or opposite directions to accommodate open office designs. Generous tray size accepts letter-size and A4-size materials. High-quality, metal mesh construction is highly wear-resistant for lasting use. Protective feet protect delicate surfaces from scratches and scuff marks. Letter tray is perfect for sorting mail, organizing printouts and more.