- It’s like holding nature in the palm of your hand. This natural Bamboo pen and pencil set is the perfect corporate gift for those who care for the environment. This set features natural bamboo barrels and uppers, polished chrome brass trims, and metal clips. packaged in a natural bamboo box bulk packed As bamboo is a natural material, there will be variation in the appearance in one product compared with the next or within similar items in a set.