This Flash Furniture BL-X-5H-GG mesh computer chair features a comfortably padded mesh seat, flip-up arms and a chrome plated nylon base that gives it a contemporary appearance. Mesh office chairs can keep you more productive throughout your work day with its comfort and ventilated design. The breathable mesh material allows air to circulate to keep you cool while sitting. Finding a comfortable chair is essential when sitting for long periods at a time. The high back design relieves tension in the lower back, preventing long term strain. The headrest adjusts up and down by pulling the center knob. The tilt lock mechanism offers a comfortable rocking/reclining motion. The free range motion is great for taking a quick break from typing for phone calls and relaxing. The waterfall front seat edge removes pressure from the lower legs and improves circulation. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. The flip-up arms are great for users who like the option of an armless chair without the hassle of detaching them.