Office Chair With Adjustable Height, Ergonomic DesignSturdy Metal Frame: Reinforced high strength metal construction ensures long lasting stability and reliable load bearing performance. Ergonomic Backrest Support: High density foam and plush cotton cushioning adapt to body shape for full spinal and hip support. Adjustable Seat Height: Customizable height fits different desk setups and user preferences for improved posture. Comfort Focused Design: Provides immediate relief from sitting fatigue in legs,