I expected them to be recycled plastic, but they are not.  The faux wood material does not seem as sturdy as our other chairs that are recycled plastic.   Not great quality, but ok for the price.  Be sure to really inspect the pieces when putting it together.  I had to take apart several and redo them because I hadn't noticed small details that made a difference when assembling the chairs.  they are smaller than traditional Adirondack chairs, which was a plus for us, but may not be for others.