Laura Ashley Desk Top Letter Sorter, Natural Kyoto Collection, Single Item (763-0) Sturdy MDF particle board for long lasting use Overall size 7.5 inches (W) x 4.5 inches (D), first divider 1.5 inches (H), second divider 3 inches (H), third divider 4.5 inches (H) and back is 6 inches (H) Each divider has rounded corners 1.25 inch gap between dividers Coordinates with the Laura Ashley Natural Kyoto Collection