Steel hinge Round Puffy bangle. This is a very high quality bangle made of steel. 14K gold plated or Silver Rhodium. Perfect for bangle and bracelet stacking. This a high quality hinge that is ment to last. Locking mechanism. Bead you hear a click PVD plated to last years Waterproof, Hypoallergenic Hinge is steel three parts tilt and slide. Doesn't fall off, but easy to open and put on and off by yourself