Description These pens are durable watercolor paint . They give a response to delicate lines or pools of colors. Easy to clean. You just wash it with water after you use it. It is simple in design, but very practical in use, which brings great convenience to you. Features -Material: Plastic -Size: 17.40X8.00X2.00cm/6.84X3.14X0.79in -Blend with water or add ink to this paint brush for fast, easy, and fun painting. -The will be easy to clean after used. This set of water brush pens does not come with water in it. You can fill by yourself to create a watercolor paint effect you want. -Enjoy creative, easy and fun painting at your home or on your journey. -Fine workmanship and creative appearance ensure its popularity and practicality. -Adopts precision production to the stable characteristics and high reliability. Blend with water or add ink to this paint brush for fast, easy, and fun painting. The will be easy to clean after used. This set of water brush pens does not come with water in it. You can fill by yourself to create a watercolor paint effect you want. Enjoy creative, easy and fun painting at your home or on your journey. Fine workmanship and creative appearance ensure its popularity and practicality. Adopts precision production to the stable characteristics and high reliability.