... .bamboo wooden pen holder 2.Customize as your size, shape are acceptable... 3.Top quality with reasonable price bamboo wooden stationery box Material Bamboo ... replanting, making it one of the most renewable resources known. Bamboo is 16% harder than maple wood, 1/3 lighter in ... than oak, yet in some instances as strong as steel. Bamboo holds the promise of a sustainable, cost effective, and ecologically ...