Reminder: If you add whiteboard water, marker brush ink, alcohol, and water content to the pen tube, please gently press the pen tip, otherwise you will spit out the ink out of the ink because of the valve and will not return to the inside of the pen tube; add it as add When the ink, paint ink, and powder ink of acrylic paint, these powder particles need to reach nano -levelHigh -quality material selection: This kind of paint with paint pen is made of plastic material, and the pen tip is made of polyester and acrylic materials to provide you with smooth writing, so you can use our paint pen with confidenceImportant design of steel balls: There is a steel ball inside each watercolor stream pen to avoid watercolor or paint solidification and make watercolor writing smoother; please remember to put the ball in the pen to obtain a standard experience experience.Innovative and manufacturing: There is a transparent empty pen tube in the white pen, which is convenient to see through, master the dosage and add ink in time; please note that you should put the steel ball in the pen holder first, then ink into the ink, and finally tighten the pen head. Writing; Be careful not to pull the pen, this may affect the useMulti -functional performance: Our moisturizing pen has a wide range of applications. You can fill or mix your favorite colors in color ink, and then start creating in canvas, clothes, shoes, glass, mirrors, or paper. This is painting or DIY enthusiasts Perfect painting projectColour:TransparentMaterial:plasticPackage Contents:24 x Acrylic Painting PenOnly the above package content, other products are not included.Note: Light reflection 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.