This enamel dog tag is the perfect touch to any dog's collar, especially for dog moms who love the supernatural. Choose the QR code option to keep our furry friends safe with identification! Option #1: QR CODE: We engrave a unique QR code on the back of the tag. When your customer buys it, they will activate the code. The packaging provides instructions. This will give them a free online profile with their name, phone number, and email. It's free. No app or subscription is needed. Option #2: COLLAR CHARM The tag has a blank metal back that you can engrave yourself. Choose this option if you want to add your own engraving. Samples are available to make sure it fits your engraving machine. 💪 Durable Hard Enamel Tag ❤️ Rescue Supporter 🌟 Over 25,000 5-Star Reviews 🔥 Lifetime Warranty If you have any questions, please send us a message!