Multiple colors and 0.5mm tips are great for coloring, sketching, drawing, writing and so on. Unique thermo sensitive gel ink formula disappears with erasing friction, write, remove, rewrite without damaging documents. The soft rubberized grip delivers a comfortable writing experience. Perfect for everyday writing tasks such as taking notes and jotting down grocery lists. Works great for creative projects, including coloring, scrapbooking, sketching, drawing and journaling. Express yourself effortlessly with line of innovative writing tools, including gel ink, erasable, rolling ball, ballpoint and fountain pens, & dry erase markers & more. Great gift for your kids, colleagues and office mates! Can customize your logo. The prices for 2500pcs or over are based on ocean shipments.