... 3.eco-friendly, rutless 4.low MOQ custom metal stopper /cord end /cord lock 5.material:zinc alloy6.various size ,color ,shape ... : garments accessory, bag accessory, and shoe accessory (like button, zipper pull, tag for clothing, belt buckle, O ring, D ring, cuff ... and other zinc alloy die casting products. custom metal stopper /cord end /cord lock