Features:Effective Privacy Protection: Security protection roller stamps with special letters design, printing hiddens under the confidentialinformation, make your personal information illegible, coveringsensitive documents like bills, bank statements, medical records,prescriptions bottles, etc.Wide Coverage Design: The below 25mminches wide roller is perfect for covering large swaths of privateinformation 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 roller stamp side when ink runs out (Stamp Refill Ink), about 2 drops each time.Best Time Saving: Stamp workswell on all regular paper, envelopes and package addresses. One swipeand the info is covered, no need to go for a shredder. Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementAsian size is smaller than eu/us/uk size,please compare the detail sizes with yours before purchasing.Description:Material: plasticShape: rollerPurpose: document confidentiality