Flamenco Castanets, made by Castanuelas del Sur, Brown

Made by Castanuelas del Sur
Flamenco castanets,
Brown with black string.

- Material: Wood? Resin?
- Color: Dark brown
- String color: Black
- Design: Castanets for flamenco

Thank you for looking.
These are reddish-brown Castanuelas del Sur castanets. I don't remember the product name (Fibras?) or material details. Stored at home.
They produce a clear sound. No signs of use, beautiful condition. (The string has some minor scuffs.)
The case has a name written on it, but I can include it if you wish.

No claims, no returns. Please consider.