This is an electric eraser core kit, made of good and flexible rubber materials, which are both and practical. When installed on the electric eraser, which makes it practical to use. It is suitable for you to draw, and can wipe normal pencil writing. You can give your friends as a gift. Features -Color:White -Material:Rubber -Size:2.50X0.40X0.40cm/0.98X0.16X0.16in(Thick) -Size:2.50X0.20X0.20cm/0.98X0.08X0.08in(Thin) - Made of safe materials, anti-wear and practical, which can use it with confidence. - More than just a pencil eraser, artists can use it to create art quickly and accurately. - Compact and , convenient for storage, and these electric eraser refills are practical for you to use. - This product effectively plays the role of an eraser and can erase the handwriting you wrote with a pencil. - Help to easily erase text and drafts, making student's homework cleaner. Package list: 70 x Electric Erasers Refills