WHY ZLHECTO OFFICE CHAIR ? YOU’LL SIT SMARTER. SUPPORT: Conforms to your body shape and evenly distributes your weight over the surface of the chair for ultimate support and customized comfort.PRESSURE RELIEF: Conforms to body contours, reducing pressure points.RESPONSIVENESS: Sensitive to body temperature and weight. Adjusts perfectly to your body contours and returns to its original shape every time.CONSTRUCTION: Proprietary formula,the international SGS certified 3-stage gas rod and integrated base tray design, upholding the highest quality standards.DURABILITY: Engineered to last for years, returning to its original shape, day after day and year after year. Do you know that a good computer chair will MAKE YOUR HOME BIGGER? This chair is designed with a 0°-90° swivel armrest: When used, the distance can be adjusted from the table to make it more comfortable to sit.When idle, push the chair into the bottom of the table to save space. FEATURES Seat made with authentic original cotton cushion, healthier and more secure in line with environmental quality standards, no harm to healthMesh back with built-in lumbar support curve,5 cm adjustable lumbar support for different height requirementsThe rounded corners of the chair make it no worry to bump even if the child is playing on the sideTear resistant mesh, durable and easy cleanDesigner nylon base with dual wheel casters