Accurate Measurements2 Person Memory Bank, Irregular Heartbeat Detection, Wide Range Arm Cuff.About Your Cuff This monitor comes with a wide range arm cuff. Fits arm circumference 8.6 in. 16.5 in. 22cm 42 cm. Traditional D ring style cuff allows for easy application. Soft fabric with secure hook and loop closure provides a comfortable fit. Not made with natural rubber latex.