The product is a vintage A. Fontaine metal clarinet mouthpiece case, made in France specifically for a Bb soprano clarinet. The case is sturdy and crafted from metal, providing a secure and stylish storage solution for the clarinet mouthpiece. This unique piece is a collector's item for vintage wind and woodwind instruments, showcasing the craftsmanship and quality of being made in France. Perfect for displaying on a shelf or using for practical storage, this Fontaine mouthpiece case is a must-have for any clarinet enthusiast.