KINGART® Studio Permanent Fine & Ultra-Fine Point Twin-Tip™ Pens, Set of 12 Unique & Vivid Colors * Includes assorted colors * Fine and ultra-fine point * Highly pigmented and vibrant coloration * Nontoxic * Smudge-proof and water-proof * Conforms to ASTM D-4236 * Permanent ink can be used to decorate and mark most porous and non-porous surfaces including papers, wood, glass, plastic metal, and more * Versatile fine tips - use on point or on its side for bolder marks and filling areas Accentuate your art and fashion design projects with colorful patterns using these permanent markers. You can also use these dual-tip markers to decorate cards, notebook covers, scrapbooks and other craft projects. The KINGART® Heritage Our family has been exceeding the needs of the most demanding artists and enthusiasts for three generations. We delight in challenging the status quo and putting our experience to work for you.