Size Guide Safety Policy Care InstructionsOur initials heart charm Lock necklace is here to secure a spot in your collection. Featuring a sweet design and a customizable surface for your initials. Please note that the engraving is without ink.925 Sterling Silver: Timeless and durable, sterling silver is always a classic choice. As pure silver is too soft to last, 925 silver combines 92.5% pure silver and 7.5% copper.Customize Me! Personalize your necklace with up to 3 letters. Please note that no symbols are added by default. How To Make It Yours: Engrave your first and last name initials to have your own Oak&Luna signature piece.How To Wear It: Wear it on its own or layered with other chains for a more curated vibe.Discover more of our heart jewelry in gold and silver here.