Features: 1.DUAL TIP: Paint marker pens feature a dual tip design with different shaped tips for outlining, large area coloring and drawing. 2.SMOOTHLY WRITING: Water based markers have low odor, water based ink that is easy to ink, extremely smoothly and precise in control. 3.APPLICATIONS: Paint markers are ideal for children and adults to marks, draw, write, color and doodle at home, school or work. 4.SUITABLE SURFACES: The Paint marker pen is suitable for drawing on a wide range of surfaces, perfect for rock wood, metal, plastic, glass, canvas, ceramics and more. 5.WITH STORAGE CASE: Dual tip brush markers come with 1 handheld storage case, which can be carried around with you and you can enjoy painting safely at school, restroom, home and outdoor. specification:Item Type: Dual Tip Brush Pens Material: Plastic, Ink Size: Approx. 15.3 x 1.6 x 1.6cm / 6.0 x 0.63 x 0.63in (0.1 to 0.2cm Error in Manual Measurement) Uses: For Art, Painting, Illustration, Lettering, Graphics, Design, Cartooning, Calligraphy and Many Art Styles PackageList:36 x DualTipBrushPens 1 xStorage Box Note0.1 to 0.2cm Error in Manual Measurement