Micro-Line Ultra Fine Point Ink Pens - (SET OF 16) - Archival Ink - Assorted Colors in 0.3 MM Felt Tip - 5 Blacks in Tip Sizes 0.25MM to 0.5MM - Competes with Micron Fine Point Permanent Markers 16 Pack in Variety of Colors and Tip Sizes - 11 Different Colors (Red, Green, Blue, Pink, Yellow, Purple, Cyan, Gray, Orange, Light Green, and Brown) in Nib Size (0.3mm) & 5 Black in a Variable Nib Sizes (0.25mm, 0.3mm, 0.35mm, 0.45mm, and 0.5mm). Competes with Pigma Micron Pens. SMOOTH, SOFT, and CRISP - Our Product was designed to provide you with a delicate yet firm feel, giving you a crisp, clear line every time! No Skipping! 100% WATERPROOF - ARCHIVE QUALITY INK - Will not smear or smudge. Completely Fade Resistant and will not bleed through most surfaces. Non-Toxic & ASTM Approved! Perfect for All Artists, Illustrators, Writers, Students, Teachers, and Technical Professionals. Ideal for Drawing ,Writing, Bible Study, and More! MONEY BACK GUARANTEE BY MANUFACTURER - Platinum Art Supplies only provides the Highest Quality Products Available. If at any moment you're unsatisfied please contact us and we'll offer a free replacement or a full refund!