Adaptive Backrest--The adaptive backrest design possibilities make it the perfect solution for keeping your shoulder in the right position and relaxing your vertebra. Here we go, lean against the backrest, it allows you to turn around a range and stretch your back up and down. Support you always, a really ergonomic design

4D Armrest & 2D Headrest--Unlike other 2D or 3D armrests that can only adjust up and down, back and forth, and rotate 15°, the 4D armrests we pick can move left and right. What is more, the 2D headrest can lift up and down, and rotate to find the perfect fit for your neck

Adjustable Seat Depth & Lumbar Support--It is rare that a chair feature a seat depth adjustment, for we build the chairs for customers of different height. And people need adjustable thigh pressure while sitting, which is suitable for relaxation. And it is good to adjust lifting back support to provide customized sitting support

Solid Construction, Certified Comfort--Our office chair has been tested for office use and meets the requirements for durability and stability set forth in the following standards: EN1335 and BIFMA. Mesh with good support, high-density backrest frame material, chair legs that can stand 1136kg strength, 35mm thickened mechanism, HOLLUDLE does it all

5 Year Warranty--This office chair comes with a 5-year guarantee because our chairs are made of high-quality material. And free return in 30 days, it is ok to change your mind. Moreover, it takes about 20 minutes to assemble it without pressure, check the user manual and assemble video show how to screw effectively srews , and welcome to contact us

How to adjsut height--Press the handle(back one) down with your thumb when adding or reducing weight, sitting on chair