The belt offered here measure 27 inches prior to stretching.
 
When stretched it reach's up to 42 inches

Front Buckle with two hidden snap buttons on the inside
 

Belt Width: 2.4"

Buckle size:3x7
 
 
If you are not sure about your size, Measure around your waistline where you normally wear your belt/pants with one finger between your body and the measuring tape.