Stacking Seating For Just About Anywhere An outstanding combination of ergonomics, performance, and personality expand the possibilities for plastic stacking seating. Comprehensive, flexible back support inspired by task seating ergonomics. Space-saving design to reduce storage requirements (just 79 needed to accommodate 45 non-upholstered, armless chairs). Key Features Shell 11 standard opaque resins. Arms 11 standard translucent resins (color match shell option). Arm and armless versions. 4-leg base available with glides or casters; sled base offers ganging option. Upholstery seat and lumbar cushion. Non-stacking bar height stools available. Sustainable Design Features GREENGUARD IAQ Certified. Recycled content steel frame. Recyclable polyproylene shell. Recyclable polycarbonate arms. CFC-free polyurethane foam cushion (upholstered seat/lumbar). VOC-free powder coat finish.