Bamboo Pens & Pencils – Smart, Sustainable Stationery for Everyday Use! The Bamboo Pens & Pencils are a very good choice for those who consider both style and environment. Most offices and businesses choose to use bamboo stationery because of its eco-friendly approach. These pens and pencils are made out of natural bamboo and hence feel smooth and very professional. Moreover, they last longer compared to pens made out of plastic and are very easy to hold.