Black PU Leather High Back Office Chair Executive Task Ergonomic Computer Desk (1) Ergonomic Design - Soft PU leather upholstry is highly comfortable with ample padding Fixed Arms - Fixed arms provide hours of comfortable support 360 Degree Rotation - 360 degree swivel ability provides plenty of convenience Full Size - Sit back and relax against full-length leatherette padding while keeping your arms supported by the extra padded armrests Pneumatic Lift System - Pneumatic gas lift system comes in the form of the lower handle which will smoothly adjust the seat height to your personal preference, allowing you personalized comfort Smooth Gliding Caster Wheels - Smooth gliding casters provide increased comfort and mobility Highly Durable Construction - Made of Solid wood, wood veneer, plastic, faux leather 360 Degree Rotation - 360 degree swivel ability provides plenty of convenience Tested & Certified - Meets or exceeds all ANSI/BIFMA standards Wide Foot Base - 5 star nylon base keeps the chair stable Tilting Feature - Our chair also features a tilting option which allows the usee to sit back in a more comfortable position Tilt Tension Adjuster - Tilt tension adjust allows you to adjust the tension on which the chair tilts back, allowing for personal customization Tilt Lock - The height adjuster handle also acts as a tilt lock, locking in the upright position