The style is simple and elgant 1.Height can be adjustable by Hydraulic pump. 2.Stainless steel circle base,Handrest covered with Synthetic Leather,Comfortable and Stable. 3.Using the high quality PU leather.and high density sponge. 4.Stainless steel handrest and footrest are available,it looks like sturdy and durable. 5.The seat height can be adjusted by Hydraulic pump,and rotated 360 degree