● Specifications: Large, conference rooms, large bold for the classroom. paper-thin ink pens write once push, you can restore the dark (several times, make them vivid. Rear Retractable nib not unspoiled. Remaining ink pens but with a display window that you can check. Quick writing of the strong, Ink Pens Botha fall out and no one can trip over it. ◆ Material: Cap, One Part: Play PP tip: Polyester fiber shank: PP ◆ ◆ ◆ writing line width: 3 ~ 7 mm cap safety: ISO Standard fitment Ink ingredients: Alcohol Series oil-based pigment