Product weight: 52g Product size: perimeter 37.9cm+extension chain 14.2cm Material: Alloy+Glass Diamond+Water Diamond Add some sparkle to your outfit with this exquisite necklace. Its lightweight design of 52g and adjustable size of 37.9cm+extension chain 14.2cm make it perfect for any occasion. Made with high-quality alloy, glass diamond, and water diamond, this necklace is not only fashionable but also durable.