Material: Constructed with a high-strength 22 mm steel skeleton and high-density, super-resistant foam.Upholstery: Wrapped in wear-resistant PU leather (polyurethane) that is often stain- and fade-resistant.Dimensions: Typically measures approximately 22" L x 21" W with an adjustable height ranging from 48" to 52".Weight Capacity: Designed to support up to 330 lbs (approx. 150 kg).Ergonomic & Functional FeaturesAdjustable Recline: The backrest can recline between 90° and 180°, allowing for positions ranging from upright focus to nearly flat for resting.Support Pillows: Includes a detachable headrest pillow and lumbar support pillow to maintain proper spinal alignment and reduce fatigue.Armrests: Features adjustable armrests (often 2D or 3D depending on the specific model) that can be raised or lowered to match desk height