Pencil cup maximizes your work space by using an accessory on a cubicle or vertical surface. Use it just like you would a traditional desk accessory. The high-impact plastic holds markers, pens and pencils. Fastening pins are attached securely to the pencil cup so you can fasten it to the fabric panel or other vertical surface.Pencil cup maximizes your work space by using an accessory on a cubicle or vertical surface. Use it just like you would a traditional desk accessory. The high-impact plastic holds markers, pens and pencils. Fastening pins are attached securely to the pencil cup so you can fasten it to the fabric panel or other vertical surface.