This 81" concrete bench without back is made of Metal Armor perforated steel and commercial grade concrete. Thermoplastic coating uses a multi-layer system to give better color & gloss. It's vandal resistant surface resists crack and chips, UV protection keeps color looking great for years. The uniquely sculpted frame is made of concrete reinforced with full steel rebar caging for strength & durability. Available in a variety of colors & finishes. Portable for convenience. Assembly required.