We love the weight of this necklace, it's a solid piece without being too heavy. We like mixing it with my dainty pieces - just adds an edgy rock and roll vibe. Best part of all? Wear it 4 different ways. Details: Sterling silver chain measures about 2.7mm wide Sterling silver toggle clasp measures about 10.9 diameter for circle & 18.10mm for bar Total length is 18, 19, 20, or 21 inches Free Shipping on Domestic Orders Materials: sterling silver