Effective Privacy Protection: Security protection with special letters design, printing hiddens under the confidential information, make your personal information illegible, covering sensitive documents like bills, bank statements, records, prescriptions bottles, etc.Wide Coverage Design: The below 25mminches wide is perfect for covering swaths of private information in a quick, no need for multiple passes to blocks your info, one single stroke is enough.Unlimited Re-inking: Ink can be refilled in the security protection stamp side when ink runs out (Stamp Refill Ink), about 2 drops each time.(Ink not included)Best Time Saving: Stamp works on all regular paper, envelopes and package addresses. One swipe and the info is covered, no need to go for a shredder.Chapter face width: 25mmShape: Purpose: document confidentiality, prevent information from leakingColour:BlackMaterial:PPSize: 50 x 65mmPackage Contents:1 x StampOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.