The rings are a thick, sturdy anodized aluminum dangling from a Trinket-sized clasp.
Made with generously sized, thick metal rings.
The smith is a lovely lady with dragonesque features, neatly placing ring after ring in a new creation. You notice a note nearby. 'The end result is a perfect little add-on to your keychains or a charm for your traveler's notebook. Sturdy materials should make it through rough-and-tumble places like your pocket, bag of holding, or dungeon quest.'