Ergonomic Office ChairCurved backrest perfectly fits the human body and adapts to the spines natural curve, alleviating back tension and discomfort during long office/meeting/studying sessions. This computer chair has a rocking function and can be adjusted from 18 to 22 in seat height to match various sitting positions. PU Leather CoveringThe seat is covered by high-quality PU leather, making the surface easy to clean, deformation resistant, wearproof with a soft and firm texture. Premium PU Leather upholstery comes with both luxury and comfort, offering a feeling of the right sitting.