Dries in about 3 seconds even when used on PPC paper or high-quality paper, leaving a clean impression. Board Size (Small): 2.5 x 1.6 inches (6.3 x 4 cm); It dries quickly, and uses oil-based pigment ink that allows documents to be stacked immediately after stamping. The body color allows you to see the ink color at a glance. The body is stain resistant and easy to wipe off. The flat shape makes it stable even when the lid is opened.