Convenient design: Our identity protection roller stamp is designed with a roller, gently pull out to cover the messy code and protect your privacy. A plastic opening tool is hidden on the top of the secret seal, which can be ejected by pressing the top button, making it safe and easy to use. How to use: Pinch the two sides of the cover with your thumb to pull it open, gently pull the roller, gently pull the information you want to cover to cover, no need to use it multiple times, no need to apply it multiple times, no need to cover the same place again, cover it for a moment and let it dry when the ink is dry. Recyclable use: There is an oil filling hole on the top of this security stamp roller, which can be refilled with stamp oil for recycling, a large amount of oil does not require frequent refueling, and can be printed about 1000 times. Scope of application: This roller confidentiality stamp has a wide range of applications, you can use it in express boxes, envelopes, documents, etc. It is not suitable for glossy or coated paper because the oilbased ink may fall off. Package content: We have 2 pieces of protect your ID stamp roller, the quantity is enough to meet your daily needs.