PET TAGS by GYMSTONES.. Circle Round- Aqua center/ Multi “Bling” for your pets. Circle Round PET TAGS (3/4 in dia.) are made of 925 sterling silver. bezel set (no prongs) with high quality semiprecious gemstones and vibrant cubic zirconium stones. Match PET TAGS to your pets birth month or mix and match to their favorite collar. All PET TAGS include a small and large (pet approved) split ring for a custom fit for all size pets. PET TAGS are a great fashion accessory for your pet and a unique gift for any pet lover. All PET TAGS are hand stamped with our “G” logo assuring you that it is an original GYMSTONES..