4 Colors in One Design: The 4-in-1 color ball pens offer a vibrant mix of red, green, black and blue inks to meet your creative needs, and each pen's ink comes in 4 different colors in one, allowing you to Can change colors while writing, drawing, or marking up a document DIY Friendly: These plastic beadable pens open a colorful world for your creativity with 12 different colors, decorate them with beads to add your personal style, allowing you to express your creativity easily and conveniently Solid material and suitable size: These beaded pens are mainly made of plastic and are durable; each pen measures approximately 6.38 x 0.47 inches/16.2 x 1.2 cm, providing a comfortable grip for easy writing; the shaft allows you to Do it yourself, you can insert beads and other craft supplies as needed (not included) Sufficient Quantity: Each pack contains 50 ballpoint pens; perfect for personal use, or for classroom, office or art studio collection; these pens come in 12 different colors for you to choose according to your mood LIGHTWEIGHT AND PORTABLE: Despite their versatility, these plastic ball pen DIY plastic construction is very lightweight; easy to carry, perfect for travel, school, office or home use perfect gift product: Whether for a budding artist, creative student, or diligent office worker, these ballpoint pens make practical and sophisticated gifts. Beautiful design and vibrant functionality are sure to bring a smile to anyone who loves writing. Wide range of applications: The retractable ballpoint pen has the ability to switch between 4 different colors of ink, making it suitable for a variety of tasks. Whether you're taking notes, highlighting text, creating art, or just doodling, these pens let your creativity run wild. Note:Beads are not included, the first picture is a display rendering. Type:A Ink color:red, green, black, blue Colour:As Shown Material:Plastic Size:Approximately 6.38 x 0.4