This product is fully designed for the use method and use scenario of the product, combining the stamp with the pencil cap, which can protect the pencil and facilitate the use and storage of the product, with no space, small and portable. If the original pen cap is lost, it can also replace the original pen cap, so that a pen increases its purpose, not only for writing, when you need to mark or highlight, do not need to bring another marker, a small pen cap stamp can be completed. The external material of the stamp is ABS environmental protection material, which has the advantages of small odor, wear resistance, corrosion resistance, not easy to burn, etc., and the user has more sense of security. The internal material is Simple flash foam pad, stable performance, fine surface, uniform opening, moderate inking time, and good repeated oil filling performance. Clear exposure, no white edge, high surface melt layer strength, durable wear, upgrade melt layer thickness and density make the seal surface more black, brighter, no slow penetration leakage ink, seal effect is extraordinary.Special inks: water-based ink Cover design: open when not in use, close when not in use, to avoid the loss of the cover and printing oil volatilization. Oil injection: stamp surfaceShell size:19*18*43mm Imprint size:10mm*9mm Shell material: ABS environmental protection material,simple flash foam. Suitable for: over 3 years old Imprinting content: According to the design content provided by customers, the shell and imprinting color can be customized in different colors, making it a customer's exclusive product. It can also be customized according to the size of the shell provided by customers.