Younmall Ergonomic Office Chair, High Back Desk Chair, Breathable Mesh Desk Chair with Lumbar Support, Adjustable Headrest and Flip-Up Arms, Swivel Task Chair with Adjustable Height (Black)

• 【Ergonomic Design--Improve Your Posture】Younmall high-back ergonomic office chair provides 5 support points (head/shoulder/back/hips/hands) and proper lumbar support, allowing you to maintain the correct sitting posture for a more comfortable experience, releasing stress and relieving shoulder and neck pain from long hours of work.
• 【High-Density Breathable Mesh & Cushion】The backrest and headrest are made of flexible, high-quality, non-patterned, breathable polyester mesh that allows air to flow freely to keep you cool and comfortable at all times. The aerospace material's high-density shaped cotton-filled seat cushion resists deformation and provides foam-like comfort to balance softness, durability and support to reduce pressure on your hips and tailbone.
• 【Safe & Reliable】The four-stage steel gas springs and heavy-duty nylon legs with a maximum load capacity of 350LB, silent chair wheels wrapped by PU can smoothly rotate 360°, basically meeting all the needs of customers for computer chairs. All of our Younmall ergonomic chairs are BIFMA and SGS certified, so customers can buy with confidence. The thickened explosion-proof steel chassis is durable, and all the details make this office chair more comfortable to sit on.
• 【Tilt and Lock Function & Adjustable Headrest】This office chair can tilt 90 ° ~ 135 °, when the handle is pulled out, you can achieve the office chair tilt function, so that you can get a short period of relaxation after work; when the handle is moved inward, the ergonomic office chair can be locked in an upright position. At the same time, the headrest can also be adjusted up and down as well as the angle adjustment, providing portability for different customers' needs on sitting posture.
• 【Easy Assembly & After-Sales Service】 All Younmall computer office chairs come with a 2-year warranty and replacement service. Installation is in 7 steps, all parts are in the package, our home office desk chairs can be installed in 15 minutes. Younmall office chairs are the best gift for yourself and your friends, the perfect office chair, study desk chair.

Source reference: https://www.amazon.com/dp/B0BYZ728Q5