SitOnIt Seating Resonance High Back White Leather Executive Chair, (702A2 A83 B3 Spinneybeck Sabrina SA785), for upscale executive, conference and tasking environments, Resonance features a thin profile design with enhanced stitching details.  Dual-density, highly resilient foam adds long-term comfort and support to mid-and high-back options; Four arm options offer a wide range of comfort and aesthetic appeal; Five mechanism options allow customized chair adjustment to further boost comfort and support; Two base options provide a smooth ride and years of scratch resistant performance; Resonance includes a lifetime warranty on all structural components and a five-year warranty on foam and fabric.