[Inflatable Lumbar Airbags Support]: Big and tall office chair is equipped with an inflatable lumbar back support, you can inflate or release lumbar area of chair to your needs, and full airbags will provide powerful and effective support, reducing lumbar muscle strain or pain caused by long hours of working or gaming. [Upgrade Design for Comfort]: Leather office chair designs with a spacious seating area with a premium high resilience sponge and silent spring packs padded seat cushion. Thickly padded armrests can be adjusted to a suitable height, providing elbows with more cushioning and more comfortable support. [Comfort and Modern Appearance]: Office chair is made of bonded leather, which is breathable and skin-friendly. Leather surface is resistant to scratches, stains, peeling, and cracking. The elegant design look is suitable for various settings such as home, office, and reception areas. [Solid Construction and Quick Assembly]: According to installation instructions, leather office chair can be installed within 10 minutes. Desk chair with footrest hold up to 300 lbs and equipped with 5 stable and durable wheels, which can rotate 360 degrees and slide smoothly on floors, without sound and protecting floors from damage.