About this item SwivelThe silent swivel office chair can avoid scratching the floor to a certain extent,and you don't have to worry about disturbing others' rest.The new heavy-duty metal base and 360-degree rotatable nylon smooth rolling casters can be easily moved to other places,providing us with great stability and mobility when using the office chair. Ergonomic designThis adjustable office chair is perfectly ergonomic design.Desk chair includes lumbar support and height,tilt adjustable function,allowing you to tilt the backrest back or sit straight.Adjustable seat tilt angle and adjustable height,it can provide greater weight-bearing area and can reduce body pain.Now you can quickly find a position that makes your back feel most comfortable! Avant-garde and stylish designThis blue office chair combines a mesh backrest and metal base for a unique and sophisticated appeal;the simple and modern look matches a variety of furniture styles and updates your home decor;meets your expectati