Saint Francis of Assisi Pet Charms - Patron Saint of ecology and protector of animals. St. Francis was the beloved Saint the protector of animals, watching over them and keeping them safe and healthy. Attach to your pets collar, harness, kennel or anything you can think of. St. Francis metals are 3/4" with the lobster clasp charm measures 2" long. St. Francis Metal is silver plated, oxidized metal Cross is Sterling Silver, Red Onyx, Solid silver Makes a nice gift for your pet or the pet lover in your life.