The button type makes it easy to press and shake, and it is easy to press with a button type that resembles a keyboard, so you can press the stamp cleanly. For managing notebook schedules. The small size stamp with a stamp size of 0.2 inches (5.5 mm) is also convenient for managing your notebook schedule. You can check your schedule today with your favorite pattern. Convenient to carry: 6 patterns in 1 penetrating stamp, so it can be easily stored in a pen case or pouch for easy carrying. Does not bleed even when applied with a water based pen. Since it uses oil-based ink, it will not bleed even if you apply a water based pen from the top. Permanent seal (no specialized ink refills) Approx. 1,000 impressions