bbbelts men silver finish smooth single prong square buckle for 1-3/4" belts,brass one size bbbelts belt measuremnet instructions: take a flexible measuring tape and thread it through the belt loops as you would a belt. be sure you have the tape measure at the level on your waist or hips where you plan to wear the new belt. note your waist/hip circumference. add two inches to this measurement to determine your belt size. option 2: measure your existing belt.