Efficient Protection: The identity protection roller stamp adopts a roller design style, which is very easy to use and save time. Just gently scroll, dense garbled code will cover important information. Wide Use: The roller stamp can be applied to multiple situations. It can be used to hide and encrypt important information such as phone number, social security numbers, address, mail, prescription, tickets, documents, bills, and corporate privacy files. Quick Dry Ink: The confidential roller stamp use high quality ink that can resist water and oil. It is dries quickly and not easy to fade, non-toxic and odourless. When the ink is dry, wipe it without dirtying your hands. Double Alternative: The 1.38-inch wide roller stamp and the 0.79-inch mini stamp can help you quickly cover and remove important privacy, give you double options and protection. Repeat Refill: The address blackout roller is equipped with 4 pack refill ink bag, each with a capacity of 0.4 ml, roller stamp can cover a length of up to 350 ft. Just align the ink holes and fill with ink.