Using the privacy protection roller stamp is straightforward and effective. Just the stamp and roll it over the text you want to conceal. The specially designed ink creates a pattern that completely covers your personal details, making them unreadable. This tools is great for protecting your identity on envelopes, packages, and documents before disposal or recycling. Features -Color:Yellow -Material:Plastic -Size:6.20X6.00X3.00cm/2.44X2.36X1.18in -Enhanced privacy: protect your mail and packages from with the effective smudgeproof security stamp. -Convenient roller: the roller mechanism ensures a smooth and fast application, making it easy to secure your information. -Unrecognizable print: the garbled print design ensures that once applied, the information is completely unreadable. - durability: constructed from plastic, this stamp is built to last and withstand frequent use. -Multiple applications: ideal for use on letters, documents, and packages, providing versatile protection for all your mailing needs. Package list: 3 x Stamp+ 3 x bottles of ink