TOUS Oursin seal in mauve sterling silver with a central bear with 18kt gold plating over silver. Size of bear: 6 mm. Width at the top: 19 mm. Width at the bottom: 8 mm. Ring thickness: 2.3 to 3.6 mm. It is made of sterling silver with 18 to 23kt gold plating and has a thickness of 3 microns. This quality guarantees a greater durability of the jewel.