Yes, there is a limit to the number of characters that can be printed on our name labels. Label Daddy offers single line name labels with up to 25 characters per line and double line name labels with up to 15 characters per line. You can customize your labels with your name and more. Our labels are printed with a durable, waterproof ink so they will last for years. Check out our website at https://www.labeldaddy.com/ for more information on our name label sizes and designs.