Diva Diamond Dog Jewel Collection Bone Shape Personalized Custom Engraved Pet ID Tags! Our Diamond Dog Tag- These are so cool thay should be kept in the Tower of London! Premium high quality metals- Genuine Swarovski Crystals - stunning! Ensures your pet can be properly identified for a safe return 3 Crystals included on each of the four sides of the bone Large tag measures 1.5"x1" Small tag measures 1-3/16"x3/4"