Yo! with armrests, it is the perfect seat for alfresco dining with friends. It has a tubular-metal frame that has been treated and coated for outdoor use. You can tailor the seat and backrest to your needs: either in polypropylene with a decorative fastening insert made to match the base or with a woven affect on an aluminum frame. The flat-woven frame provides maximum comfort and has been reinforced with polypropylene to improve its durability for outdoor use. The version with a polypropylene seat and backrest is stackable 4 high.