EASY TO INSTALL: This office chair comes with all hardware & necessary tools. Follow the desk chair instruction, It took maybe 10-15minutes. RELIABLE COMFORT: Desk chair using high-density sponge cushion, more flexible, soft texture slow down the pressure of the sedentary. MODERN ERGONOMIC DESIGN: This computer desk chair with a middle back design, rectangular ornament not only as decoration, It can provide good lumbar support makes you feel comfortable. BIFIMA CERTIFICATION: High quantity office chair all the parts BIFIMA certification, more reliable and sturdy, this desk chair does include a weight limit of 275 pounds. 5-YEAR WARRANTY: We offer a 5-years free warranty and 100% contentment assurance, your satisfaction is our #1 priority, love it or 100% your money back within 90 days. Size: 4 Pack. Color: Black. Gender: unisex.