High elasticity PU leather: wear-resistant and scratch resistant, delicate touch, multi-color contrasting design, sharp shape, perfectly suitable for trendy spaces such as competitive rooms and study rooms. Ergonomic support: thickened headrest, lumbar pillow+segmented backrest, conforms to the curve of the waist and back, disperses pressure, and prevents fatigue during prolonged sitting; Adjustable backrest angle, supports lying down and relaxing. Stable structure: Bold five claw base+silent roller, strong load-bearing capacity, smooth movement; Lift and rotate function, suitable for different heights and desktop heights. Comfortable Expansion: Some styles come with extendable foot pedals, allowing for one click switching between lying down modes during game breaks or office nap times.