This desktop mail organizer is crafted from high-quality solid with a clear, natural grain, features a smooth surface finish with a protective varnish coating that makes it waterproof, wear-resistant, anti-deformation, while also being simple to clean. It has a stable, wide base that supports taller vertical dividers to prevent tipping even when holding larger magazines and folders. The mail sorter comes with six removable dividers of varying heights secured by bottom screws for added support, can be easily disassembled and rearranged with a screwdriver to create up to five custom slots to suit your document sorting and desktop mail organization needs. Unlike metal organizers, this desk folder holder lets you flexibly adjust divider heights in 2.8-inch increments up to 9 inches, each slot having a 1.2-inch depth you can place the tallest divider in the center to accommodate documents, letters, bills, magazines, books, laptops and other items of various sizes.