For a fan of Marvel comics, Iron Man or the Avengers, this necklace is inspired by the Morgan and Tony Stark lines in Avengers Endgame, "I Love You 3000". Each necklace or key chain comes with the added heart charm pictured. I hand stamp each one of a kind pendant, so spacing might be slightly different. Choose from three options: a long necklace, a choker necklace, or a key chain. The choker option comes with an 18 inch black waxed necklace cord with a lobster claw closure and an extension chain The key chain option comes with the charm attached to an average, one inch nickel-plated steel round split ring. The longer necklace is a 24-inch nickel-plated ball chain with a ball& joint closure. If you find it too long, this chain can easily be shortened to your desire by cutting between the balls with a normal pair of scissors. Pendant options include aluminum (16 gauge), copper (24 gauge), or brass (24 gauge). As the aluminum has a smaller gauge, it will be a little thicker than the copper & brass options. Please scroll through all photos for a better idea of what they look like & to ensure you choose the correct option. I love getting custom requests and suggestions, so please let me know if there is a lyric or band you would like to see, and please feel free to send me a message with any other questions or concerns! Thanks for shopping!