paper goods and office supplies, namely, pencils, pencil caps, pencil lead holders, spare lead for pencil lead holders, slate pencils, steel pens, felt-tipped pens, pen tips, pen holders, chalk, ball point pens, bone styluses, fiber-tipped pens, spare ink cartridges for fiber-tipped pens, spare ink cartridges for ball-point pens, fountain pens, writing brushes, celluloid sheets for use under writing paper, correcting fluid for handwriting and type, and pen cases