A small ring will serve as a support to hang your medal. The shell medal holders are not meant to be used as a necklace. The cord stopper will allow you to adjust the medal holder according to the seasons and your dog's coat. It is best to avoid seawater, which will oxidize the metal parts. It should only be worn during walks. The metal charms are random depending on the stock. Size XS: 20 to 25 cm Size S: 25 to 30 cm Size M: 30 to 37 cm Size L: 37 to 44 cm Size XL: 45 to 53 cm !! This is a digital photo, and there may be a slight color difference between your computer and the collar. Knowing that all our creations have been tested, however, no collar is indestructible, keep this in mind and check it from time to time.!! Shell collars for dogs, bohemian collars for dogs, Ibiza collar, shell collar, medal holder for dogs