[Package]Comes with 12 pieces water brush pens with different point tips, 3 flat brush tips and 9 brush tips, medium, and wide/flat tips to meet your needs. Great for watercolor painting, water soluble pencils, brush pens, markers, use with aquash watercolor crayons,solid colors or pigment. [Premium Quality]Watercolour Brush Pens are made of high-quality plastic, simple and elegant, comfortable and durable. The bristles are made of nylon materials, can hold a point fairly well, so it will not spray or smear. They are easy to clean with water. [Easy to Use]Simply unscrew the watercolour pens' barrel to add water or ink. Easy to control the ink or water flow through the watercolouring brush tip. Easy to clean with less mess, well crafted, and no leaks around the seal, perfect for all water colouring needs. [Practical Design]Plastic push button which is easy to squeeze, helping you to control the volume of water more precisely. So they don't allow far too much water through, flooding the paper. [Convenient to Carry]Water colour painting pens are , portable,can be transported with your painting kit and used . Using Steps: 1.Rotate the pen cap clockwise slightly. 2.Seperate the pen cap and barrel slightly. 3.Add water or into the barrel. 4.Screw the pen cap anti-clockwise to get ready for use. Specification Name: Watercolour Brush Pens Set Colour:Transparent Material:plastic Package Contents: 12 x Watercolour Brush Pens Only 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.