S134, 1/2 inch. The raised dots give this button have a look of #134 stud button. It is only 1/2″ in size but it can look very dramatic in a line or group. Good for areas that require a small button. Price; 1 to 12 @ .55 each, 13 to 144 @ .48 each and over that .40 each. Good for shirts, small light items, very light button.