... 2.Chromed base 3.Gas lift and 360 degree swivel. 4.Fine workmanship,refined design keyword:PU leather chair,leather chair ... ,leisure chair poduct description:1.PU material,Built-in iron frame,High density stereotypia sponge;2.high gas lift,360 degree ... ,Chassis diameter: 45.0cm,Thickness: 1.2cm,Galvanizes the steel frame;4.Excelent technique with professional design ,and the product is comfortable ...