STACOO High Back Executive Office Chair 400lbs, Big and Tall Ergonomic Office Chair with Lumbar Support & Flip-up Armrests, PU Leather Chair with Adjustable Height – Black

【Ergonomic Full-Body Support】This STACOO leather office chair is designed with 7 targeted support zones for the head, neck, shoulders, back, waist, hips, and hands. It helps reduce back fatigue, encourages better sitting posture, and supports focus during long work or study sessions. 【Adjustable for Personalized Comfort】The chair features a seat height range of 43 to 47 inches, a 90 to 120 degree tilt angle, and 90-degree flip-up armrests. The foldable armrests save space and provide flexibility when transitioning between work and rest. 【Durable Executive Leather Construction】Made with breathable PU leather and a 5-layer cushion system that includes PP cotton, high-density sponge, and 20 silent spring packs. This structure maintains its shape and comfort over extended use without sagging. 【Stable Mobility and Sturdy Build】Equipped with quiet PU casters, an SGS-certified gas lift, and a reinforced base that supports up to 400 pounds. Regular inspection of screw tightness every few months is recommended to maintain long-term stability. 【Hassle-Free Assembly and Warranty】Assembly takes about 20 minutes with included tools. Backed by a 5-year service warranty and responsive customer support to address any product-related questions or concerns.