Ninecer Ergonomic Mesh Office Chair, Mesh Back Office Chair with Flip-up Arms, Swivel Computer Desk Chair with Lumbar Support for Adult, Black

Ninecer Ergonomic Mesh Office Chair, Mesh Back Office Chair with Flip-up Arms, Swivel Computer Desk Chair with Lumbar Support for Adult, Black Ergonomic & Space-Saving Design: This chair offers rolling adjustability with an adjustable backrest that reclines from 90° to 120°, plus 90° flip-up armrests. The 3D adjustable armrests can move 30° left/right and 2.6” front/back, helping to maximize your space efficiently Materials: Made with breathable mesh fabric and filled with high-density foam for excellent ventilation and long-lasting comfort Weight Capacity & Rotation: Supports up to 300 lbs, with 360° smooth and silent rotation for easy and flexible movement Adjustable Seat Height: The seat height can be adjusted from 17.9” to 22.2” to accommodate different user preferences, ensuring a personalized fit Smooth Mobility: Equipped with 360° silent nylon casters, the chair moves smoothly and quietly across floors Safety Certification: Features an SGS-certified Class 3 gas lift for double security, providing added safety and stability Overall Dimensions: 26” (D) x 26” (W) x 40.1”~44.4” (H), with a seat size of 19.7” (L) x 19.7” (W), offering ample seating space for comfort