Not suitable for glossy or coated paper as oily ink may peel off. Easy to use, can be easily applied to your package. It is a very practical accessory that will meet your needs well. This product is a confidential roller stamp made of ABS material with good texture, safe and practical. Features: Color: As shown; Material: ABS; Size: 6.00X4.00X3.00cm/2.36X1.57X1.18in. Colored mail opener, push to open and hide, convenient and safe to use. Wide rolling safety stamps are simple and practical to use, taking up no extra space. It is characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Portable fast drying ink, hide your personal information with just one rolling movement. This confidential seal is specifically designed to protect your privacy. It is very helpful. Adoption of simple and convenient design, this product also can be used for a long time. Package includes: 1 x Stamper