Ergonomic Design - With human body engineering design, let your body and mesh chair perfect fit. A ventilated office chair seat cushion prevents sweating from long seating. Extra lumbar support for your lower desk chair back support. Soft & Comfort Cushion - Desk chair using high-density sponge cushion, breathable and resilient padded thick office seat cushion, more comfortable. This modern desk chair is perfect for sewing chairs, student chairs, comfortable chairs for bedrooms, office essentials, and kids desk chairs! Adjustable Chair - Two modes "tiltable or fixed" are available. You can recline the chair to 45 degrees. Conference room chairs provide versatility for an optimized position. Adjust height for your computer chair from 32" - 36". 360-degree Casters - PU chair casters material gives anti-shocking protection. Our comfy office chair's strong elasticity allows for smooth-rolling mobility. No marks. Easy to Assemble - Dimension: φ22" x 32-36"H. Heavy-Duty Nylon Base with a maximum capacity of 400 lbs. The office chair comes with all hardware & necessary tools. Follow the desk chair instruction, you'll found it easy to assemble.