This desk chair features a 25" wide U-shaped seat cushion, providing ample space and support for various sitting positions, including criss-cross or cross-legged postures, allowing you to settle in comfortably. Upholstered in high-quality PU leather, the chair combines a luxurious and elegant appearance with a wear-resistant, easy-to-maintain surface, while high-density sponge ensures exceptional comfort. The chair offers flexible features including a 5" height adjustment range, a built-in rocking mechanism, and a 360° swivel seat, allowing customization of your seating position. Supported by an SGS gas cylinder and a sturdy cross-shaped metal base with no wheels, the chair provides reliable stability, complemented by non-slip foot pads. Its armless design saves space, making it ideal for smaller areas and compact workspaces, allowing the chair to fit seamlessly under desks and tables. The overall dimensions are 27.5" x 27.5" x 30"-35", seat dimensions 25" x 20", seat height 18"-23", backrest dimensions 23" x 14", space between the legs 20.5", weight capacity 330 lbs, net weight 27 lbs, and box quantity is 1 (may vary by batch). Materials include PU, sponge, metal, and plywood.