Width is 1.35" or 35 mm Made of 100% Genuine cow hair From start of strap to middle hole: S/33", M/36", L/39" From middle hole to tip end of belt is 6.5" more Total Belt strap length: S: 39.5", M: 42.5" , L: 45.5" Best is measure a belt that you are wearing and comparing against the above length Strap is Detachable for other buckle option