Metal color rubber snap button 3 colors 13mm - 30 pairs 金屬色膠啪鈕 3色 13mm - 30對 (需使用打鈕機)Can be installed cloth leather thickness: 1. 2mm If the thickness is more than 1. 2mm, it may fall off. A button machine is required for installation: Click here for the button machine quantity: 30 pairs pack colour : silver bronze black copper (The inside of the snap button is black) The price is 1 pack unit (30 pairs pack) : 1. 2mm 1. 2mm : : 30 : () 1(30)