Product Details Specifications Item Black/Flip Handrail Length × Width × Height 23.62 × 21.65 × 38.39 inch Length × Width × Height (Package) 21.65 × 9.84 × 18.11 inch Weight 21.83 lb Package Weight 24.69 lb Item No. ZHUMI-C-5512CZ-1B-BK Specification Black/Flip Handrail 【ERGONOMIC LUMBAR SUPPORT COMFORT】 features a scientifically contoured mid-back design and lumbar support that precisely fits the natural curve of your spine, relieve the soreness in your back and waist. The breathable mesh back promotes air circulation, keeping you cool and focused during long work hours, while the high-resilience foam seat cushion provides cloud-like comfort without sunken. 【ADJUST TO SUITABLE SITTING POSTURE】The height is adjustable from 16.7'' to 19.7'' inches, suitable for different body types and you can lean back and change your sitting posture. At the same time, there is a convenient storage space at the back of the chair, where you can put books, newspapers or ipads. 【HIGH QUALITY AND DURABLE STRUCTURE】 To extend the service life of the computer desk chair, we have equipped it with a BIFMA-certified gas lift for safe and smooth height adjustment, as well as a sturdy base that can support up to 250 pounds. The highly elastic mesh fabric and durability ensure that it will not deform even after years of use, providing long-lasting support. 【SMOOTH MOVEMENT & ROCKING MODE】 Glide effortlessly across your floor on 360°swivel silent casters that protect hardwood and tile. When you need a break, engage the 90°-120°tilt mechanism to recline comfortably. The tension knob lets you customize the recline resistance to your body weight, perfect for moments of rest or creative thinking.

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