?EFFECTIVE PRIVACY PROTECTION - Security protection roller stamps with confidential letters design, printing hidden under the confidential information, make your personal information illegible, covering sensitive documents like bills, bank statements, etc. | ?SUPER WIDE COVERAGE DESIGN - 1.5 inches wide roller is perfect for covering large swaths of private information in a quick, no need for multiple passes to block your info, one single stroke is enough. | ?BEST INVENTION EVER - The roller is smooth and the ink is just the right amount because it dries quickly, but still is dark enough to cover the information, even if you look at back of the paper. | ?BEST TIME SAVING - Quickly stamp over your personal information you want to conceal. The extra wide roller cartridge lets you easily mask over long lines of text in a single stroke. This is a great alternative to a shredder and much faster. | ?UNLIMITED RE-INKING - Comes with 3 ink refills, ink can be refilled in the security protection roller stamp side when ink runs out. Normal water-based ink does not offer same protection.