<b>Please measure the size carefully before purchase to make sure the button fits your clothes.</b><br/><br/> Diameter of small size button is approx. <b>0.59 in (15 mm)</b>, and big size is approx. <b>0.79 in (20 mm)</b>. <br/> Package include total 11 pcs buttons: 8 small size and 3 big size. <br/>