CRAFTER S COMPANION-The Ultimate Marker Storage Pack. Each rack can be stacked vertically or connected horizontally for unlimited storage flexibility. They can be stacked straight up and down or on a slight angle. This package contains six racks that will accommodate up to seventy-two markers; pens or other items with a diameter of up to 5/8 Inch. Each rack measures: 5-5/16X9-1/2X7/8 Inch. Imported.