Crafter's Companion-Spectrum Noir Marker Storage Racks Clear: Empty. These racks can be stacked vertically or connected horizontally for unlimited storage flexibility. They can be stacked straight up and down or on a slight angle. Racks will accommodate markers, pens or other items with a diameter of up to 5/8 inch. Can be used with the Spectrum Noir Large Storage Bag (sold separately). This package contains fourteen 7/8x9-1/2x5-3/10 inch storage racks and can hold up to 168 markers total. Imported.