Patriotic American Flag Custom Pet ID Tag - Personalized Dog Tags For Dogs - Pet ID Tags For Cats - With Pet Photo Personalized tags with your pet's name, photo and info. Tag is made of aluminum; attaches to your pet's collar with a split ring; and measures 1 1/8" x 1 7/8" x .040" Front of pet tag features your pet's name and photo. (8 characters maximum, including spaces) Customize the other side of the tag with your contact information. You can include up to 2 optional lines, each up to 25 characters long. You may also include "reward" and/or microchipped. Please note that the back side is printed "upside down" because people flip a tag over from the bottom up, so the back will be right side up when they do that.