This belt features the most popular two rows of pyramid studs and also removable roller buckle with snaps. This belt size is measured in inches, from the end of the strap where the buckle is attached, to the middle hole at the tip end.The size chart does not include buckle length. There are total of five holes, 1 inch; apart. It is recommended to select size from buckle fold to center hole that better matches measurement of your waist or where you wear this belt. It would be more comfortable to measure where you will wear the belt, add 1-2", and then pick the size where this number falls.