... free and lead free 3.Oeko-Tex Standard 100 class GH----Professional high quality (prong,spring,sewing) snap buttons top ... 5, 11, 11.5, 12, 13, 14, 14.5, 15, 16, 17, 18, 19,20, 21, 22, 23, 24, 25, ... #12~17mm13mm13mm/12mm/555#14~19mm15mm15mm/14mm13.5mm666#16.2~19.2mm17mm17mm/16.2mm/777#18~19.2mm18mm18mm/18mm/888#18 ... /999.5#25mm25.4mm25.4mm/25mm/30mm29~30mm30mm30mm/29mm/ GH Button --- Pearl Snap Button