Store your pencils, pens, scissors and other desk/office supplies in this cup/holder. When finished, it is about 5.5 inches wide, 4.75 inches tall, and 3.75 inches deep. The cup inside is 3.5 W x 3.8 tall and 3.5 deep. Made with 3mm (1/8 inch) plywood. You will need to resize the slot accordingly when using a different material thickness.