Necklace Length: 15.75inch+1.97inch Avoid?wearing?synthetic moissanite?during?risky?activities?and?steer?clear?of?oils?to?prevent?shine?loss.?For?both?synthetic moissanite?and?silver,?avoid?high?temperatures?and?direct?sunlight. Regularly?check?synthetic moissanite?settings?and?reinforce?if?loose.?Clean?synthetic moissanite?and?silver?regularly?to?maintain?their?shine?and?prevent?buildup. Logistic Note: We will do our best to package your item, but please note that shipping may sometimes result in minor damage to the package. In addition, unforeseen factors may also cause delivery delays. Don't worry! These are normal. But no matter what the problem is, please find us at the first time and we will solve it for you. Customer Service Support: Dear, before product ratings on an order, we advise you that if you have any questions or concerns - whether related to products, logistics or personal reasons - please feel free to contact our customer service team. We will be happy to assist you with any questions you may have. Thank you for your understanding!