Ergonomic design concept, reduce fatigue. Filled with high density resilient sponge, resilient support, sedentary non-collapse. Using suede fabric, skin friendly smooth, easy to clean. Solid wood frame, bearing stability. Carbon steel base ensures stability and strong load-bearing. The side storage bag allows for easy access to small items.Manual adjustment provides sitting, lying and rotating flexibility to suit your mood. With mobile phone stand, free hands, stable without shaking.