【Ergonomic office chair】 Office Chair has an ergonomic structure, a liftable back cushion, adjustable armrests, ergonomic desk chair functions and a precise waist protection design that offers you comfort all day long. You tilt the backrest by 90° - 130° and can choose or sit upright. To better concentrate on your work.

【4D Lumbar Support】 Office Chair Ergonomic can be adjusted 8cm up and down, suitable for different height requirements and precise waist protection design.The adjustable and padded lumbar support allows you to focus on ergonomic support. The lumbar cushion knob can be adjusted 3cm in front and back for better lumbar support.

【90° Adjustable Armrest】 Office Desk Chair with 90° folding armrests are more comfortable and space-saving. Fold up the armrests and slide them under an empty desk to create a powerful space. Padded armrests are more comfortable and soft, can flexibly support the elbow and make the office easier and more efficient.

【Breathable mesh seat】Home Office Chair with Waterfall Seat provides a wider and firmer seating experience. Breathable mesh back and seat allow air to circulate and keep your back and hips cool and comfortable at all times. Cushion upgraded thickness 7cm, high density sponge cushion, Soft and Hard, Breathable mesh fabric, Elastic and Flexible.

【Tilt swing function】 The tilt swing function can adjust the angle of the backrest, 90°-120° free rocking back and forth, the backrest can be locked at 90°. The height of the office chair can be adjusted (10cm), suitable for adults, teenagers and others of different sizes and different desk heights.

【Easy to assemble】 The Office Chair is easy to assemble and comes with tools and clear instructions. If you have any questions, you can always contact our customer E-mail service, we will provide the best solution for you.

Ergonomic Office Chair ：The S-shaped backrest fits the natural curve of body, protects your lumbar spine and back. Premium mesh material backrest keeps the body cool and cozy by enabling continuous airflow

Space Saving Flip-up Armrest ：The executive swivel chair comes with adjustable padded armrests to provide comfortable support for your elbows and upper body while you are busy working. 90°flip-up design allows you to push and restore the computer chair under the desk for saving more space

Customize Your Comfort ：YONISEE mesh high back office chairs comes with a variety of adjustments that allows you to further customize your task chair for maximum comfort and support. Ideal for home office workstation, reception, meeting room and more

Multiple Adjustment ：The simple, understandable controls include seat and back height to fit your body, up or down lumbar support adjustment to fit various body sizes, and center-tilt to provide extra comfort. YONISEE ergonomic desk chair helps you to maintain a relaxed and comfortable posture in long hours of work

Home Office Desk Chairs by YONISEE ：The premium thickens frame, high bearing capacity base with smooth and silenced rolling wheels, which provides maximum durability and easy maintenance

Notes：1.This chair cannot be locked when inclined;2.when you want to use the rocking mode,first please pull out the lever to active the rocking mode,lean your back,then you can recline the chair;3.if you want to lock the chair when you at upright position,please twist the knob to the most tight.4.this chair has adjustable Lumbar Support,please adjust the Lumbar Support to find the best back support for you；

[ 90° FLIP-UP ARMREST ] You can flip the arms up by 90 degrees and place the computer chair under the desk, The mesh chair's Modern design fits any office furniture perfectly and may be utilised in a range of settings, including living rooms, bedrooms, Home offices, and studies.

[ HIGH-QUALITY MATERIAL ] Computer chairs with soft sponge seat, which is covered with durable and breathable mesh fabric to keep comfort for longer hours. Keeping you comfy after long hours of gaming or work at home arm Chair.

[ ERGONOMIC CURVED DESIGN ] Curved bucket seat that fits human body line and provides a strong back support. Height adjustable; 360° Swivel; Breathable Mesh Back Support; Flip-up Armrests; High Density Foam; Multi-direction Smooth Rolling Caster.

[ BREATHABLE MESH MATERIAL ] The high-grade backrest of mesh fabric is flexible. The mesh office chair gives you a cool feeling, a comfortable sitting posture, promotes good air circulation, eliminates sweat and moisture, and allows you to concentrate and relax at the same time.

[ STRONG LOAD-BEARING CAPACITY ] Office Chairs made of high-quality metal and mesh, super high load-bearing performance, so you can sit comfortably. Ergonomic office chair with silenced rolling wheels, smooth and stress-free. Maximum load:275lbs

Ergonomic Mesh Desk Chair: This high back office chair's ergonomic features, including a large adjustable headrest, retractable padded armrests, a movable lumbar pillow, rocking function and a 9cm adjustable range of seat height, offer customized comfort for extended periods of work, study or gaming.

90° Flip-up Armrest: Want to scoot as closely as to the workstation? Flip the arms up, and you’ll gain all the benefits of an armless desk chair. The comfy cushioned armrests are built for complete user comfort while relaxing.

Cushioned Seat & Mesh Back:This office chair is designed to bring the combined benefits of a foam padded seat and a mesh backrest. Extra-wide cushioned seat is elastic and not easy to deform, offering optimal support for a long period of sitting. Plus, the high backrest wrapped with breathable mesh provides you with a cooler sitting experience and full back support.

Adjustable Comfort: The height-adjustable headrest of this mesh gaming chair allows you to find the most comfortable position for your neck and head while sitting upright or reclining. The lumbar support can also be adjusted to maintain proper spinal alignment and promote good posture. The adjustable range of the lumbar support is 5cm.

Straightforward Instructions: All the hardware, connection parts and handy tools are provided in the home office chair's package. Detailed, easy-to-follow instructions facilitate quick and hassle-free assembly.

Ergonomic Backrest Design: Curved backrest of this mesh desk chair can flawlessly line up with human body curve, and the lumbar support system resembles a pair of hands, pushing up and supporting your back. Choose this office chair, choose comfort

Solid Chair Construction: This mid-back office chair is constructed of hard-wearing polyester mesh, durable star base, solid rolling casters and SGS-certified gas cylinder. It has passed BIFMA X5.1 Test and is recommended for office use for customers under 136 kg

Comfortable Armrests: The ergonomic armrests provide you with all-time support for your arms and enable you to sit more comfortably, getting rid of your fatigue after a long day’s hard work

Adjustable Seat Height: The seat height of this computer mesh chair can be simply adjusted from 35cm/13.8’’ to 45cm/17.7’’ by a little push-up/press down at the lever under the seat according to your needs

Star Base & 360 Degrees Wheels: Twisting and turning about is integral within the office. So this ergonomic chair adopts a stable star base and comes with 5pcs 360-degree swivel wheels, ensuring fluent and quick movement and keeping up your quick pace of work

【Pressure Reducing Cushion & Breathable Mesh】The cushion of office desk chairs cushion is filled with a full block of high-density foam to provide a soft, fatigue-free sitting experience. The high quality mesh material backrest keeps air circulating and keeps you cool and comfortable.

【90° Folding Armrests】The armrests of the office chair provide support for your elbows when you want to take a break from your hands. Computer chairs allows you to flip the arms up and put the chair under the desk.

【Ergonomic Design】Home office desk chairs fit the natural curve of the lower back, providing back and waist protection for long sitting and keeping the spine away from body pain. Rocking mode brings you more ease while resting

【Height Adjustable】You can adjust the seat height of the computer chairs to find the ideal sitting position that matches the computer height for people of different heights. In addition, the multi-directional casters allow you to move the chair smoothly across the floor effortlessly.

【Professional After-Sales Service】If you have any problem with your office chair, please contact our after-sales team, we will provide you with efficient and professional solutions within 24 hours.

【Compact office chair】Naspaluro office chair is small in design, but big in utility. With 45 cm medium backrest and seat height of 43-53 cm, more suitable for medium-sized people. The modern minimalist style perfectly matches a variety of scenes.

【Flip-up Armrests】The armrests of the computer chair provide comfortable support for your arms while working and rest. It can also be flipped up, so won’t get in the way when not in use. Push the chair under the table, effectively save space. Great option for office and home use.

【Comfortable Seat & Back】The seat is padded with soft foam and covered with elasticated mesh to ensure skin-friendly and comfortable during extended use. Mesh backrest with lumbar support provides strong support and maintains breathability. Do not leave it outdoors in the sun or rain.

【Smooth Movement & Stability】Naspaluro desk chair equipped with metal base to improve durability and aesthetics. Multi-directional casters allow you to move the chair effortlessly and smoothly across the floor. You can adjust the seat height by 10cm with the lever on the lower right side.

【Assembly & after-sales】Comes with necessary assembly tools and assembly instructions, can be assembled in a few simple steps. If you have any questions about the product, don't hesitate to reach out to us on Amazon, we will offer you professional solutions within 24 hours.

【 Ergonomic design 】 Home office desks and chairs are ergonomic and fit the natural curve of the lower back, providing back and waist protection for long sitting and keeping the spine away from body pain.

【Improve productivity】 Adjust seat height to find the ideal sitting position that matches the height of the screen. Backrest and upholstered seats allow you to work energetically and comfortably.

【Breathable back】 High-density mesh back is comfortable and breathable, suitable for long time work and study. The seat cushion is filled with elastic, high-quality, breathable foam to relieve pressure on the buttocks and provide comfort.

【Space saving】 The simple style of the net chair is very suitable for any office furniture, especially the living room, bedroom, kitchen, study and office, saving a lot of space.

【Simple assembly】 The installation is simple, with installation instructions and installation videos if necessary.