Features: This water brush pen works great as Watercolor Brush Pen; Gouacha Painting Brush Pen; Nail Oil Pen. Nylon hair brush tip can hold a point fairly well. This paint brush pen featured flat and point tip. Clear pen rod which is easy to squeeze. Simply unscrew the watrecolor brush pen body to add water, colored ink, and nail oil. Easy to control the inks, water or nail oil flowing through the brush tip by squeezing the pen rod. Great for colored inks, gouache paint, powdered pigment, use with watercolor crayons, watercolor paints, water-soluble pencils, water soluble pigments. Suitable for all watercolor and gouache painting, colored pencil drawing, solid paint painting, colouring, shading, detailing, illustrating and coating need. Suitable for kids, students, and artists. Specifications: Color: Clear Component: PP Type: Flat Tip; Point Tip Size: Approximately. 12-19cm/4.72-7.48in Weight: Approximately. 60-80g Package Includes: 1Set Water Brush Pen note: 1.Please allow 0-1cm error due to manual measurement. make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color