12-color Double Line Outline Pen Set For Student Drawing Graffiti Marker Specification: Versatility: Ideal for Adult Coloring Books, Rock Art Painting, Glass, DIY Photo Album, Black Cardstock, Sketchpad, Scrapbooking, Pottery, Wedding Craft, Dark Paper, Greeting Cards, Calligraphy and more.ideal for drawing, Can be used in classroom or Can be used for adult book drawers. Higher quality, water ink, acid free ,quick-dry,Super smooth application,Ergonomically designed,Light-weight, Easy to hold and Incredibly durable. Ergonomically shaped (comfortable in the hand) unique outline design suitable for DIY projects easy to use SPECIFICATIONS： QTY: 12PCs Pack Material: PVC, PP Pen Size: 14cm Color: as the image shows Package: 1 set of Marker Pens Package included: 1 set of Marker Pens This pen's innovative design can help you overcome anxiety and bid farewell to difficult choices. This pen adopts a silent bearing design, which is quiet and noiseless. The size is, the writing is smooth, and the feel is comfortable. Difficult choice, indecision, solve it in one fell swoop, bring it home quickly High quality materials: Our pen is made of high-quality and environmentally friendly materials, which are sturdy, durable, and very convenient!