【STURDY CONSTRUCTION】 This high-back executive chair is built of long-wearing polyester mesh, durable plywood frame and strong plastic base, providing you a steady sitting experience. With a 136kg/300lb weight capacity, this chair is suitable for most individuals. 【FIT FOR YOUR BODY SHAPE】This swivel computer chair is thoughtfully designed with S-shaped back to fit in the curvature of your back and lumbar. The lumbar support can be adjusted up and down to accommodate different body types. Bring you ultimate comfort for long working days. 【BREATHABLE MESH BACK】Unlike leather office chairs, this mesh computer chair allows for better air flow behind your back, which will not let you feel sweaty or uncomfortable in hot weather.