1. Roller coverage width below 18mm2. It is a good substitute to the crusher: The paper can be recycled with the use of roller seal no need of crusher. Safe and environmentally friendly.3. Time saving: The ink dries quickly and the stamps work well on all plain paper, envelopes and parcels and can cover a lot of private information in a fast and clean way. Easy operation, the information will be covered just by sliding.4. Unique privacy protection design, specifically used to cover important information.5. Unlimited re-coverage: You can refill the ink on the stamp when the ink runs out (ink not included).Application: can cover the personal address and telephone of your waybill, bank bills, utilities bill to prevent personal privacy disclosure.It can protection of your information security and is the perfect gift for your family, friends and you.Color: red, blue, green, yellow, purple, blackmaterial: plasticPackage Contents:6 x Roller StampOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.