Sun Smile Full-Color Personalized Custom Key Chain Lifetime Warranty. We guarantee the keychain image and text will never become unreadable. Our key chains can be used in a variety of ways. Add style and safety to any kind family member! Use them as fun name tags, fashion accessories, or as a way to ID luggage and school backpacks. Please limit custom text to 4 lines, each with a maximum of 25 characters. Get Creative! PLEASE INCLUDE customized info for the back of your key chain in the "Gift Message" field.