Unomax CD‑DVD/OHP Permanent Marker Set of 10 (Black) is a budget-friendly set of 10 permanent markers designed for clear, fine writing and marking across a variety of surfaces. Each marker features a fine Japanese-style tip that delivers precise, detailed lines—ideal for labeling CDs, DVDs, OHP transparencies, documents, boxes, and other items where neat, legible text is important. These markers use quick-drying, smudge-resistant ink that adheres well without scratching or damaging delicate surfaces, helping ensure your markings stay readable after handling. While optimized for media like CDs, DVDs and OHP sheets, the set is versatile enough for everyday office, school, and home use. The kit is appreciated for its value and versatility, though individual experiences with ink permanence and durability vary among users.