: the package includes 20 ink cartridges for office staff and business owners, such as banks, schools, offices, law enforcement, notarization and application forms. This number is enough to meet your different needs. You can also share with your family and Safety material: The fingerprint ink pad is made of high-quality ABS and ink, which is safe, , not easy to damage, and has clear marks. The ink on your finger is easy to wipe off, so you can it with Fade resistant: The fingerprint pad can adapt to any weather and environment. It dries quickly, does not fade easily, can be stored for a long time, can be reused, and is durable Small and light: Each fingerprint cartridge is about 1.97 x 2.36 x 0.6 inches, small and light, easy to and carry, so you can put it in your bag or briefcase at any time Sticker at the bottom of the mat: There is a sticker at the bottom of the black ink pad, which is convenient for you to on the desktop or any smooth and clean surface for fixation Colour: Black material: plastic Package Contents: 20 x Fingerprint Ink Pad Only 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.