The Luxor OHP Permanent Marker in Brilliant Blue (Pack of 5) is a dependable set of fine-tip permanent markers specially formulated for overhead projector (OHP) transparencies but also works effectively on glass, plastic, vinyl, paper, CDs/DVDs, and other common surfaces. These markers deliver bright, vivid blue ink with quick-drying, permanent results that resist smudging and fading under intense lamp heat during presentations — making them ideal for professional materials, classroom use, and office presentations. The fine tip design allows for precise, clear writing and detailed notations, perfect when you need neat, legible marks on transparency films, signage, or printed materials. Overall, this pack of 5 provides consistent performance and strong visibility for everyday marking and professional presentation tasks.