Breathable high density strength mesh material allows air to circulate, prevent body heat and moisture build up. Keeping you cool and comfortable throughout the dayErgonomic Design: Ergonomic lumbar support hugs your lower back and enhances the natural curve of your spine. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. Adjustable tilt tension, greatly help to eliminates leg fatigueAdjustable Height & 360° Swivel: Adjustable back height and headrest with reclining option, which makes the user more comfortable during work hours. Dual-wheel PU casters support 360° Swivel freely and move very easilyEasy to Install: The instructions are very easy to follow, you just need to count a few screws and bolts, you can assemble it. And easy to be washedAdjustable Mesh Executive Office Computer Desk Ergonomic Chair, contemporary ergonomic mesh back home & office chair, is designed to provide exceptional back support and to prevent body heat and moisture build up.Features:- Wheel Support 360° swivel freely and move very easily.- Adjustable tilt tension and seat height, greatly help to eliminates leg fatigue.- Forward and backward rotating, up and dowm adjustment armrest.Material Type: PP + Aluminum alloy Feet + PU Wheel Feature: Adjustable Seat, Armrest, HeadrestPackage Weight: 45.5 Lbs (20.65 kg)Package Size: 28.35x 13.38x 24.8 inches (72x 34x 63 cm)