Features: brand new and high quality VERSATILITY, PRACTICALITY. This brush pen works great as Watercolor Brush Pen; Gouacha Pen; or Nail Oil Pen. Durable nylon hair brush tips can hold a point fairly well, so it will not curl, spray or smear. Easy to clean. WELL-DESIGNED. Classic design, 3 kinds of regular brush nib, including: 120mm Fine Nib; 155mm Fine Nib; Flat Nib. Transparent plastic pen barrel which is easy to squeeze can help you to control the volume of water more precisely. EASY TO REFILL. Simply unscrew thebrush pens' barrel to add water, colored ink, and nail oil. Easy to control the ink, water or nail oil flow through the brush tip by squeezing the barrel. Perfect for all watercolor and gouache painting, water-based colored pencil drawing, solid paint painting, colouring, shading, detailing, illustrating and coating needs. ECONOMICAL PACK. Each pack comes with 3Pcs or 6Pcs brush pens. Great for solid colors or powdered pigment, use with watercolor crayons, watercolor paints, water-soluble pencils, water-soluble pigments, inks. PORTABLE, REUSBALE. Watertight and leak-proof. Proper size for your pen bag, painting for case. Professional drawing kits for being used on the go! The brushes are light weight. They are good to use indoor or go out with it. Perfect for travel as well. Suitable for kids, boys, girls, women, students, amateur, beginners and pro artists. Specifications: Color: Transparent; Blue Material: Plastic＋Nylon Type-1: 3Pcs x 120mm Fine Tip Type-2: 3Pcs x 155mm Fine Tip Type-3: 6Pcs x 155mm Fine Tip Type-4: 3Pcs x Fine Tip x Blue Barrel Type-5: 3Pcs x Flat Tip x Blue Barrel Pen Size: Approx. 15.5cm/6.10in Weight: Approx. 35g Package Includes: A/B Package Optional A Package includes 3 Pieces Refillable Brush Pen B Package includes 6 Pieces Refillable Brush Pen note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!