★★★ 24-Hour Free Shipping Prime Service ★★★. 【Sturdy & Durable】This office chair is combined of plastic & mesh back, foam-padded seat, steel gas spring and nylon base & wheels. Premium plastic is durable and rust-free, no need to worry about humid environment. Standard market size with great bearing capacity, the maximum capacity of this mesh office chair is 136kg/300lb. 【Ergonomic Back】This swivel computer chair is thoughtfully designed with S-shaped back to fit in curvature of individual’s back and lumbar. It gives full support to your lumbar and upper-back to make your long office hours and intensive study sessions easier in a better sitting position. 【Optimized Comfort】The seat is soft padded with high-density foam and a double-layer mesh cover to upgrade your sitting experience.
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