【Comfortable Like a Sofa】:The double layer thicken seat cushion is highly comfortable and durable.The wide cushion provide you with ultimate comfort. You can have various sitting positions on it.It can’t collapse sitting for long and makes you comfortable all day.And it has excellent breathability and aging resistance for long service life.Seat Size:20" x 20" (W x D)..【Ergonomic Comfort&Quality Mesh】Designed with ergonomic adjustable headrest and lumbar support.You will feel comfortable back support sitting on the chair,It maintains the ergonomic posture of your spine.You feel no more sore and pain in your neck and lower back from long time gaming or working.The new upgraded mesh featured more subtles holes is softer,more durable,supportive,breathable,wear&tear resistant, makes your back more comfortable all day..【Multiple Adjustments】2.4 Inch height adjustable&45°rotating headrest for better head/neck support,2 inch height adjustable lumbar support is good for spine/posture and back pain relief. 25°rocking/tilt function relax you from heavy work. 90°adjustable Padded flip up armrest, you can slide the chair under the desk to save your room space.4 Inch Seat height adjustable for different needs..【Sturdy&Durable】We never hesitate to use quality materials.The base/legs and frame must be extremely sturdy composite materials and keep the chair stable firmly.Armrests must be well padded from elbow to wrist.Gas lift cylinder must be well-known brand Class 3.Casters must roll smoothly&quiet.The chair has gone through thousands of sitting experiments before mass production.Sufficient and premium materials can ensure the chair to withstand long-term use.Max capacity :300lb.【Perfect Gift&Excellent Service】A perfect gift for birthday, Valentine’s, Thanksgiving day, Christmas gift.Your satisfaction is our top concern.If you have any problem, please contact us. 24/7 customer services team all for purchase experience. One-month Free return and 5 years chair parts free replacement warranty.