Our privacy stamp roller is applicable to all regular paper, envelopes and parcel addresses. Just swipe, the information will be covered, no need to shred, not suitable for glossy paper or coated paper, because the oily ink may fall off. Perfectly hide your personal information, you can cover your personal address and phone number on the courier, bank statement, utility bill to prevent personal privacy from leaking. It can provide the best protection for your information security, and it is a perfect gift for family, friends and you.