Marsail Office Chair Ergonomic Desk-Chair: Mesh Back Computer Chair with PU Leather Seat,Adjustable Lumbar Support&Flip-up Armrests, Adjustable Height Home Office Desk Chairs,Black - RM-MSOC5

• UPC   850052078171
• ✅5-YEAR CUSTOMER ASSURANCE: We provide 5 years of after-sales guarantee! If there are problems such as missing parts, product damage, or other unsatisfactory issues, please contact us via the email address provided in the instruction manual- our dedicated team responds within 24 hours during workdays. Thank you for choosing Marsail office chair. We will be responsible for your choice ✅UNIQUE COMFORTABLE FABRIC: This office chair features a headrest, seat, and armrests made of high-quality, skin-friendly PU leather that is soft and easy to clean. The backrest is crafted from breathable mesh with high elasticity and strong tensile strength, helping to keep your back cool and comfortable for extended periods. Our PU leather and mesh combination is an innovative design that prioritizes your maximum comfort ✅HIGH-DENSITY FOAM SEAT: Our computer chair cushion boasts a stylish, saddle-shaped design that is both fashionable and attractive. Equipped with high-resilience foam, it distributes pressure evenly across the seat, providing superior comfort and support for extended periods of time. The seat has been durability tested up to 100,000 times, ensuring that you can use it with confidence and without worry ✅REAL-TIME ADAPTIVE BACKREST: The ergonomic office chair is equipped with an adaptive lumbar support that is adjustable by 2″ to properly match body height and shape. The S-shaped backrest is designed to better fit the spine for more effective lumbar support ✅CUSTOMIZED COMFORT: With a wide range of customizable features, suitable for people of different heights, including an adjustable 2D headrest, backrest with a 90° to 120° tilt rocking angle, and 90° flip-up armrests, you can adjust the desk chair to find the optimal position for your neck, cervical spine, shoulders, and arms, providing maximum relaxation. You can also adjust the seat height to meet your work and daily needs(Suitable for height range: 5ft 1" to 6ft) ✅BUILT TO LAST: Our home office desk chairs features a Class 3 SGS gas lift that has been tested for durability up to 120,000 cycles, a strong five-leg base, 360° smooth swivel, and quiet caster wheels that roll easily on wood floors, carpet, and tile. Enjoy improved posture and true comfort with a ergonomic desk chair that is built to last with a weight capacity of 300 lbs ✅EASY TO ASSEMBLE: We offer installation instructions and videos to help you easily and quickly assemble the office chair yourself. It usually takes about 10-20 minutes to assemble. If you have any questions, please feel free to contact us ✅INSTALLATION NOTE: When connecting the armrests to the backrest, do not tighten all screws before aligning them with the corresponding holes. Please align each screw with its respective hole and then tighten them one by one to ensure a proper installation ✅INSTALLATION NOTE: when installing the headrest, do not tighten all screws on both sides before aligning them with the corresponding holes. Make sure to align each screw with its respective hole first, and then tighten them one by one to ensure a successful installation