STYLISH & PROFESSIONAL: Generously padded for a semi-plush comfort for long hours of sitting. This chair features a single, channel tuft that adds modern detail without compromising on clean lines SUPPORTED SITTING: A higher backrest provides support for the entire spine, including the upper back, shoulders, and neck. Subtle ergonomic contours offer lumbar support in the lower back and natural mobility in the upper body and arms Serta FOAM & CERTIFICATION: All Serta chairs use quality non-recycled, non-toxic foams, exceed minimum industry testing standards and are certified by the American Chiropractors Association. USA Customer Support DURABLE CONSTRUCTION: Sturdy metal base sits on 360º smooth-rolling casters, with an easy to reach seat-side lever for height adjustment and tilt-lock. Supports up to 350 lbs EASY ASSEMBLY: Step-by-step instructions make assembly simple. Two people are recommended. Estimated time of 35 minutes