GREAT IDENTIFICATION FOR YOUR DOG AND CAT - When it comes to durability and quality our stainless steel tag holds up to the most active pet Stainless steel tags last longer and are unlikely to wear thin and break like aluminum tags. The laser engraving is clear, permanent, and attractive on a polished mirror-finish surface With 2-sided engraving and up to 8 lines of personalized text, there's plenty of room for all of your pet's important information - up to 4 lines on front of tag and 4 lines on back of tag To order, click customize now where you can choose shape, size and add personalization details to the tag SIZES: Large = Approx. 1.4 inches x 1.4 inches. Small = Approx. 1.2 inches x 1.1 inches.