BeamKing White Adjustable Gymnastics Horizontal Kip Bar Made In The USA!! Always!!! Adjust 3ft-5ft in 6 inch increments--36", 42", 48", 54", 60" This bar is 4ft wide and 4ft long. If you want it longer for more stability please just give us a call!! Fits you standard 4'x8' gym mat--Also available in 1.5", 3", and 4.5" thickness!! All of our products are backed by our hassle free warranty!!