... High quality with competitive price 1. 50pcs Cartridges of fountain pen 2. material: plastic3. Ink color: black and blue4. ... in school, office and promotional products, such as various ball pen, pencil, color pencil, mechanical pencil, eraser, stapler, staples, ... color cakes, stick note pad, liquid glue, glue stick, gel pen, correction items, tape, sharpener, scissors, highlighter, marker, glass paint ...