Koceci 6 PCS Refillable Paint Markers, 10mm 16mm Empty Paint Pen, Refillable Markers Empty Marker for DIY Rock Ceramic Paper Wood Painting (6, Transparency)

["Package Content: 3 refillable paint pens (10 mm each) and 3 refillable paint pens (16 mm each). Ideal for family art projects, school art classes, and artistic creation","Instructions: 1. Twist the tip of the refillable marker to the left to open it. 2. Remove the valve. 3. Add paint, then reattach the valve and tip. 4. Press the tip; once the paint flows out, you’re ready to start drawing","Material: Refillable acrylic paint pens feature a PP barrel and a fiber tip, with a glass bead inside. They are drop-resistant and pressure-resistant, write smoothly, and are refillable","Applications: Empty paint markers are suitable for inks, paints, acrylics, alcohol-based paints, and other coatings, and can be used for artistic creations on fabrics, leather, wood, stone, and more","Note: After using refillable acrylic paint markers, be sure to close the cap tightly to prevent the tip from drying out. If the paint does not flow out even after pressing the tip for an extended period, please dilute the paint"]