Gooyin Confidential Anti-Theft Roller Stamp: Guard your personal information with this Identity theft prevention security stamp. It helps to block out sensitive information on bills, credit card offers, bank statements, and more. Easy to Use: Simply roll the stamp over the text you want to mask, and the confidential information will be covered with a pattern of special ink. Wide Coverage: The stamp is perfect for covering large areas of private information, and it can be used on most paper surfaces. Portable and Convenient: The stamp is small and lightweight, making it easy to carry in your purse or briefcase. Durable and Long-lasting: The stamp is made of high-quality materials that are built to last. It can cover up to 100 feet of private information before needing the first refill.