Made of plastic case, high quality filling, pen length 17cm/6.7 inches, ball felt pen tip ink evenly and smoothly distributed, water-based oily liquid gel ink, fast drying, safe to use, ink can be repeatedly filled writing smoothly: key pen filled with black ink, ball pen ink flow evenly, clear and delicate lines. The double cowboy hat shaped design pen is a good gift for children, students and classmates, it will stimulate interest and enrich the creativity of thinking; or used for school, home or office supplies, business, birthday, Christmas, Halloween, anniversaries, and so on.