flat with holes, shank,with metal rim, metal eyelet, fancy designed tone to tone dyeing,Color ... metal rim, metal eyelet, fancy designed etc.3, All sizes can be made. 4, Non-toxic, EU standard passed. Needle detector ... labs. Special requests such as highest color fastness, needle detector etc can be matched.5, QC inspection and after ... in the future. Resin button with eyelet,metal button,laundry button,