Tristana Polypropylene Stackable Outdoor Patio Arm Chairs Set of 4 - GreenBring elegant and durable seating to your backyard oasis with this set of Tristana plastic, outdoor armchairs. These chairs are constructed of strong and easy to clean polypropylene that can withstand the elements outdoors, sure to last for years to come. The plastic material is easy to maintain and will stay smooth to the touch compared to traditional materials. These chairs have also been thoughtfully designed to easily stack together, so they won't