🎨 Paint Your World, One Stroke at a Time! Refillable design ensures endless creativity. Steel ball design prevents clogging for uninterrupted flow. Transparent body lets you monitor ink easily. Transform any surface into your canvas! Choose between 3 mm and 6 mm tips for detailed work. Refillable design Transparent body 3 mm & 6 mm tips This set of 6 empty fillable paint pens features both 3 mm and 6 mm tips, designed for versatility in artistic expression. Made from durable materials, these refillable pens allow for smooth writing and painting on various surfaces, while the transparent body provides a clear view of ink levels. The innovative steel ball design prevents solidification, ensuring a seamless flow of color for all your creative projects.