Ideal for artists of all ages, these refillable watercolor brush pens are ideal for kids and adults alike. The easy-to-use design and vibrant colors make them a fun and engaging tool for creative expression. Whether you're a professional artist or just starting out, these pens offer endless possibilities for artistic exploration. Features -Color:Blue -Material:Plastic, Nylon -Size:14.50X1.90X1.10cm/5.70X0.75X0.43in -Art on the go: the lightweight and portable design of the solid watercolor pen allows you to create art wherever you are -Sturdy nylon tip: the nylon brush tip is designed to stay intact, providing smooth and precise strokes without any mess -Adaptable use: ideal for solid or powdered pigments, and can be used with watercolor crayons, water soluble pencils, and paints - management: control the watercolor flow with a gentle press of the pen body, simplifying the painting process without the need for extra tools -Wide application: suitable for various painting scenarios, including outdoor sketching, classroom activities, and creative journaling, ideal for artists, students, and hobbyists Package list: 4 -filled nylon painting pens