THANK YOU FOR LOOKING AT MY HANDMADE JEWELRY AND SUPPORTING MY SMALL BUSINESS! - Heart-shaped lock and key choker with optional custom laser engraving!- Yes, key unlocks the lock!- Put key on a necklace to keep or give to someone special!- Available in: silver, gold, rose gold, and gun metal- Chain is tarnish-resistant, LIGHTWEIGHT, electroplated aluminum metal --> feels comfortable and will last for years!- Locks are plated, highly resistant to tarnishing and discoloration with proper care- Choose engraving when you purchase and enter your request for front (keyhole side) and back (plain side) at checkout! NOTE: If you do not enter engraving details when you check out, I may need to cancel your order! - Model is wearing ROSE GOLD in 16 inches- Lock size: about 2 inches tall- Lead and nickel free- Please measure neck before ordering. Use diagram only as a general guide.- Reach out to me via eBay messages if you have any questions or a custom length request- Handmade with love