Swarovski Rhinestone Crystal Pet Id Tag - Small or Large Swarovski Rhinestone Crystal Pet Id Tag - Small 7/8" or Large 1 1/4" Up to 4 lines of personal information on back of tag. Colors: Purple, Black, Blue, Clear, Powder Pink, Red, Olive Green, Peridot and Fuchsia. You pick the size, color and pet information for back of your tag. After purchasing we will contact you for your tag information etc.