2in1 Identity Protection Roller Stamp with Ceramic Blade Box Opener Security Roller Confidential ID Privacy ProtectionDurable and refillable: each roller will last for about 2,000 impressions or 600 feet; Ink can be refilled when it runs out (refills not included) Wide applications: it is applicable to all regular paper, envelopes and parcel addresses; Not suitable for glossy paper or coated paper, since the oily ink may fall off; Material: Plastic + Special Photosensitive Stamp width: about 2cm Design with mini cutter to open box easily Package Content: 1 x 2in1