Sufficient quantity: comes with 36 key-shaped pens in 6 multicolored styles, with 6 pieces per color, providing a generous supply for everyday use. High quality: made with a plastic barrel and quality refills, featuring smooth and consistent rollerball ink distribution. Uses water-based gel ink that dries quickly and is safe to use. The pens are refillable. Smooth writing: equipped with a 0.38 mm ballpoint tip and black ink, delivering even ink flow with clear, bold, fine lines. Resists fading and skipping, offering a comfortable and enjoyable writing experience with an ergonomic design. Retro and multifunctional: designed with a key-shaped top for decorative appeal, ideal for writing, drawing, sketching, note-taking, signing documents, and creative projects. Features a comfortable grip and a practical cap clip for convenience. Versatile use: great for school, office, or home use. Suitable for students, children, and adults. Ideal for everyday writing tasks, crafting, and creative expression. Size: 15 cm (5.9 inches). Color: multicolor. Material: plastic. Package contents: 36 gel ink pens. Note: Lighting and display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.