Stacking Armchair In The Coos Bay Collection By Greenington Greenington's outdoor furniture is manufactured using only mature Moso bamboo at least 5 years old, ensuring maximum strength, hardness, and stability in all our products. From processing the raw bamboo material into the stock and panels, to the making of all Greenington products, everything takes place under tight quality control meeting international standards. All of our bamboo is selectively harvested; hand cut and acquired from locally owned and managed forests within close proximity to the factory, which reduces the carbon footprint left behind through cleaner harvesting techniques and any emissions from transportation. Strong tensile strength comparable to structural steel., Bamboo is 30 percent harder than Teak., Metal to metal hardware to allow for repeated assembly and durability.