[20 Pcs/Set] You will receive 10 pieces of retractable eraser pen sleeves in 10 different colors (blue, purple, pink, green and orange) and 5 white erasers, which will meet your needs for daily use. [Retractable Design] The cute pushable eraser pen features a user-friendly retractable design. Click the top of the pen to expose the eraser for use, and then click again to adjust the length of the eraser. The pen sleeve can protect the eraser when not in use. [Perfect Size] The rubber eraser is designed in the shape of a pen, simple and elegant, easy to hold and use, fits well in your pencil case. [High Quality] The sleeve of this retractable mechanical eraser is made of plastic, which is safe and durable. The rubber eraser is non-toxic and harmless, can easily wipe away wrong words, texts and lines without abrasion and damage to the paper. [Wide Application] Mechanical pen erasers can erase mistakes in drawing and writing, which is suitable for schools, offices, homes and other places. They can also be used as practical and exquisite gifts for children, students and teachers. A perfect choice for your everyday use.