IKEA SK&Aring;LBERG/SPORREN Swivel Chair, Black, White 390.236.04 Tested for: 243 lb Width: 28 " Depth: 28 " Max. height: 35 3/8 " Seat width: 18 1/8 " Seat depth: 15 3/4 " Min. seat height: 16 1/2 " Max. seat height: 21 1/4 "