Easy to use, just click the ballpoint pen to extend or retract the pen tip. Each pen has a metal that helps you easily put the pen in your pocket, book or laptop for easy use and carrying around. The ballpoint pen's drying speed is super fast, the writing is smooth, not easy to cause smudges, colors, dries quickly. Perfect for all writing situations. Make it amazing and for your child to write notes to friends and family or write thoughts in a special diary with this happy pen! This is the perfect gift for friends, loved ones, children, students, office ladies or anyone else. Suitable for weddings, birthdays, graduations, Valentine's Day, Christmas and anniversaries. Pen size: 5.51 x 0.39 inches/14 x 1 cm Pen tip size: 1.0 mm Character line width: 0.5 mm Size: 14 x 1 cm Material: Metal Color: Multi Package content: Multi Color: Multi Package. Ballpoint pens Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.