The package includes 20 ink cartridges suitable for office and business use, including schools, offices, document processing, notarization, and application forms. This quantity is sufficient to meet various needs, and extras can be shared with others. Safety material: The fingerprint ink pad is made of high-quality ABS and ink, which is safe, durable, and produces clear impressions. The ink is easy to wipe off from skin, allowing for convenient use. Fade resistant: The fingerprint ink pad performs well in different weather conditions and environments. It dries quickly, resists fading, can be stored for extended periods, is reusable, and built to last. Small and light: Each fingerprint ink pad measures approximately 1.97 x 2.36 x 0.6 inches. Its compact and lightweight design makes it easy to carry, so it can be conveniently stored in a bag or briefcase. Sticker at the bottom: There is an adhesive sticker on the bottom of the black ink pad, allowing for secure placement on a desktop or any clean, flat surface. Color: Black Material: Plastic Package Contents: 20 x Fingerprint Ink Pad Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.