Unique Metallic Outline: The outline pen set has a special design, unique automatic double line function. Firstly, when you write on light and white pages, you can draw double lines at the same time, glitter silver with colored border. Secondly, paint on dark/black paper, it only shows metallic silver. Thirdly, when you paint on smooth surface, it only shows the color.Gift: It is the best gifts for girls, boys, women, men, girlfriend, artists or amateurs. It's really fun to let your creativity run free, good small gifts selection for advent calendar crafts, Christmas decorations, birthdays, Mother's Day, Valentine's Day, Thanksgiving Day, parties, New Year's Day, Children's Day, Easter, Thanksgiving and Halloween! Widely used: The double line pen set with 2mm nib is ideal for painting or drawing, perfect DIY set for advent calendars for teenagers, photo albums for self-design, wedding guest book, scrapbooking, gift cards for writing, Christmas cards, stickers for writing, Easter Crafts Gift Tags.Safe and Health: A good choice for your kids. Outline pens are made with a particularly wear-resistant and pressure-resistant ultra-fine nylon tip that allows for smooth writing. Usage: Glitter pens set is suitable for many surfaces such as ceramic, wood, rubber, glass, plastic, stone, etc. Outline pens in 12 different colors allow children to create amazing works of art and stimulate their imagination and creativity. Write and draw with your kids to create greeting cards for loved ones and deepen family ties. Description: Introducing the outline pen, a must-have for artists and DIY enthusiasts! With its wear-resistant and pressure-resistant ultra-fine nylon nib, this pen ensures smooth writing and drawing. The 2mm nibs are perfect for various creative projects such as teen advent calendars, self-designed photo albums, wedding guest book, scrapbooking, gift cards, Christmas cards, and writing stickers. What sets this pen apart is its unique automatic double line function. On light and white paper, it creates double lines with a glitter silver color and colored borders. On dark/black paper, it showcases a metallic silver shade. And on glossy surfaces, it represents the chosen color. The contour pens work on multiple surfaces like ceramic, wood, rubber, glass, plastic, stone, and more. This set includes 12 different colors to inspire kids' imagination and creativity. Ideal as a gift for girls, boys, artists, or hobbyists. Item Name: Outline Pen Material: Plastic Is It Erasable: NoModel: Double Line PenPen Head Shape: Round HeadFeatures: Double Line, Glitter, Gift Size Details: L: 132mm/5.2", W: 11mm/0.43" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 12 x Outline Pens (Different Colors)