Great quality. Material is water-resistant, tarnish-free and hypoallergenic. Recommended to take off before shower and swimming.
18K gold plated titanium. The size of a single link is approximately 0.5” x 0.7" (12mm x 18mm). The total length is about 17.5" / 45cm with no extension
Note: the necklace length is fixed. The product is tarnish-resistant and hypoallergenic.