29% Woodl/28.63% Metal/17.05% Other/8.5% Foam/8% Upholstered Material/8.82% Plastic STYLISH & PROFESSIONAL: This executive chair features a high-back design with a well-cushioned headrest, sculpted arms, and luxurious wood accents ADJUSTABLE LUMBAR SUPPORT: A high backrest with an adjustable lumbar lets you customize the way you sit for proper back support. The seat cushion and layered body pillows with subtle ergonomic contours are generously padded for a semi-plush comfort SERTA FOAM & ENDORSEMENT: All Serta chairs use quality non-recycled, non-toxic foams, exceed minimum industry testing standards and are endorsed by the American Chiropractors Association DURABLE BUILD: 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 makes assembly simple and quick. Two people are recommended. We offer USA Customer Support