[Package Includes]You will get 8pcs rollerball erasable pens and 16pcs black erasable refills, the length of each pen measures approx 5.7inch, Pen Refill is 0.35mm 4 pattern erasable pens and enough refills meet your needs for students supplies. [Durable Material]The erasable pens are made of high quality plastic, durable and sturdy, no easy to break, the ink is black and disappears through the friction at of pen, the liquid ink can give you a smooth writing feel and clear lines. [Erasable Pens]Friction erasable pens allow you to reuse while you write errors, new thermal sensitive ink will disappear with friction using the rubber eraser on the pen without residue and damaging the paper, It is great erasable pens can be rewritten like an eraser for your errors words. [ Design]These erasable pens has 4 patterns, which has gray , pig, blue bear, white panda, cute animal pens can show artistic beauty for the kids' stationery box, Specially there are replacement erasable refills, you can always write for a long time. [Multi Application ]The rollerball erasable pens are suitable for note taking, homework, signature, office supplies, class supplies, etc. gift occasion for kid birthday, awards ceremony, business gift and so on, It is beautiful and practical erasable pens for you to write and reward as gift. Colour: multi-color Material: plastic Package Contents: 8 * Pens (black refill, 4 colors, 2 of each color) 16 * Refills (black) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.