Innovative design: The solid line handwriting stamp adopts a unique roller design, simulating an English four line grid, suitable for young learners to practice calligraphy skills Reliable and Durable: Made of high-quality materials, the structure is sturdy and can withstand frequent use, ensuring long-term effectiveness Reusable: The side of the drum is designed with small holes for easy ink addition, achieving repeated use Easy to use and clean: The stamp design emphasizes convenience, with a handle that is easy to grip and comfortable to use; Easy to clean after use, maintaining quality and effectiveness Widely applicable: Suitable for various occasions such as classrooms, homes, libraries, offices, etc., it is also an ideal gift for giving to others