*KeyFeatures *Adjustable Slide Seat: The seat's back-and-forth adjustment feature provides dynamic support, ensuring a comfortable fit for users of various sizes. The ergonomic office chair seat features a 3.5-inch (9 cm) thick high-density sponge, which is 17% thicker than standard seats, ensuring an exceptionally comfortable sitting experience. *Ergonomic Backrest: The S-shape ergonomic chair design keeps the spine properly aligned and supported. The lumbar support is 1.4" adjustable to fit your body size, providing optimal support for the lower back, shoulders, and neck, while the adjustable headrest prevents the head from tipping forward, reducing pain. *Multi-Functional Design: The 90-130 degree rocking design of this office chair perfectly caters to your diverse sitting needswhether it's for work, relaxation, or taking a break. Its height-adjustable feature caters to the sitting needs of people of varying heights. You can find the perfect position to ensure a pain-free day for long hours of sitting. *Easy Folding & Movement: Folding the armrests up 45, you can push the desk chair directly under the desk to save valuable space. VEVOR office desk chair comes with smooth PU casters, enabling you to effortlessly reach different areas without damaging your tile, wooden floors, carpets, and other flooring. *Multi-functional Use: Whether you have a regular desk, standing desk, or adjustable height desk, VEVOR mesh office chair can easily complement these workstations. The office chair is a breeze to assemble with all hardware and tools included. Simply follow the chair instructions, and you can have it ready in just 30 minutes to enjoy. ******************************************************************************************************* *Specifications Item Model Number: W-202AC Maximum Weight Capacity: 300 lbs/136kg Headrest Lifting Height: 1.6 in/40mm Cylinder Stroke: 3 in/75m Lumbar Support Size: 10.6x3.5 in/270x90 mm Lumbar Support Lifting Height: 1.4 in/35 mm Caster Diameter: 2.4 in/60mm Main Material: Polyester, PP, Aluminum Base Material: Aluminum Alloy Cushion Material: Elastic Fabric + Cotton Weight: 34.59lbs/15.49 kg ******************************************************************************************************* *Pakcage Content 1 x Office Chair 1 x Manual 1 x Glove 1 x Wrench