Can anyone help me identify this piece?? style and chain size?? i really appreciate it!

[Nhi Y Vo]

 

[nauornever]

I'd say it's a medium Return to Tiffany heart charm. The chain might be 24 inch (maybe 20 inch?). A 24 inch chain looks like this on me but I guess it depends on your neck/body.

https://www.tiffany.de/jewelry/tiffany-charms/return-to-tiffany-heart-tag-charm-22640054/