This big and tall office chair can meet your daily needs and bring you a comfortable sitting experience. With a sturdy metal base and high quality class-4 gas rod, this office chair can support up to 500 lbs, which is ideal for heavy and tall people. Unlike the ordinary chair seen in the market, this executive chair features rocking backrest, which lets you rock back and forth to alleviate fatigue throughout a long working day. And its seat, lumbar support and armrest can be adjusted to meet the needs of people with different requirements. Mesh backrest features better breathability for exceptional comfortableness. In a word, this multifunctional office chair has a simple appearance and stylish design, and is an ideal choice for any place. Ergonomic Design for Ultimate Comfort: The ergonomic backrest fits closely with the human spine to relieve back fatigue. Besides, the extra wide cushioned seat with high elastic spring and sponge definitely brings you an ultra comfortable sitting exp