[Perfect Set]: A set of 12 different watercolor brush pieces with fine, medium and broad tip are enough for daily painting, you do no need to frequently clean the brush to change colors. Convenient painting tools for artists, art lovers, novices and girls/boys.[Easy to Use & Control]: The water coloring brush pens comes with upgraded tube, you just simply unscrew the watercolor pens' barrel to add water or ink and squeeze to control water flow. This watercolor pencil allows you to obtain wonderful results. Watercolor artists can use them anywhere and anytime.(Note: Please make the water less than 2/3 of the pen's volume when filling water into the pen). Just clean it with water after used.[Quality & Transparent Design]: Do you dread the mess created by your girl while playing with watercolors? When you're not using them, caps can protect the brushes to prevent them from drying out. Our watercolor brush pen are made of high quality nylon wool ensures the watercolor brush stays soft and durable. And they don't leak during use. We adopt transparent body of the paint brush allows you to observe the amount of water in the pen at any time, making it more convenient to use.[Multi-purpose Watercolor Brush]: You can draw the finest line or color lines, blend colors and create new shades. This water brush pens for watercolor is great for solid colors or powdered pigment, use with watercolor crayons, water-soluble pencils, water-soluble pigments, inks.colour: transparentMaterial: PlasticPackage Contents:12 x Watercolour Brush PensOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.