Natural Bamboo Wood Desk Pen Pencil Holder Cup Stand Bamboo is an ideal material for office accessories, it has a natural color which compliments any decor and is durable enough for everyday use. The pen cup is perfect for holding your pens, pencils, highlighters, brushes, letter openers, etc. Putting one of these bamboo wood pen cups on your desk is a great way to keep organized as well as make your desktop look more professional.