Quality Construction: Crafted from durable copper and zinc alloy, these pens are sturdy, corrosion-resistant, and built to last, ensuring long-term use. LED Light Feature: Equipped with a mini LED light, these pens emit a charming glow when activated, doubling as a convenient flashlight, and their rotating design prevents accidental rolling. Smooth Writing Experience: Each pen comes with a high-quality refill, delivering smooth and continuous writing without smearing or leakage, measuring approximately 10.3 x 1.1 cm. Versatile Functionality: These pens serve as writing instruments, mini flashlights, and fun fidget toys, providing endless entertainment and stress relief for home, office, or school use. Stress Relief Tool: Ideal for releasing work or study pressure, these 3-in-1 pens make thoughtful gifts for kids, students, teachers, colleagues, and anyone in need of a stress reducer.