The Sweetest Thing is a ball chain Collar that stacks with all your gold Stainless steel. Crystals. PVD plated and water proof. Set in a bottom mount prong set row. Sits flat and layers perfectly. These are hefty but not heavy they are a glass resin mix to make them the perfect CZ like stone without the weight. They are Hypoallergenic Waterproof Perfect for stacking 14K Lobster Claw clasp and extender