Sufficient quantity: comes with 36 key-shaped pens in 6 multicolored styles, with 6 pieces per color, providing ample supply for various uses. 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, is safe to use, and is 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 for a comfortable and enjoyable writing experience, enhanced by an ergonomic design. Retro and multifunctional: designed with a key-shaped top for decorative appeal, ideal for writing, drawing, drafting, note-taking, signatures, calligraphy, sketching, doodling, painting, and DIY crafts. Features a comfortable grip and a functional cap clip. Versatile use: vintage key-shaped pens are suitable as gifts for children, students, and classmates, or as practical supplies for school, home, or office environments. Ideal for occasions such as birthdays, Christmas, Halloween, anniversaries, and promotional events. Size: 15 cm (5.9 inches). Color: multicolor. Material: plastic. Package contents: 36 gel ink pens. Note: lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.