Features: Retractable mechanical erasers can easily erase misspellings, and will not wear out and damage paper. Retractable pencil erasers with 2 pcs refills could be great classroom gift, prizes for students, good behavior incentives and teacher reward. Their refillable feature ensures long lasting use, while the precise erasing capability helps you achieve result. Retractable eraser for adults and children, can be used in school, office and at home. You can use the retractable eraser pen in various occasions, such as offices, schools, conferences, parties, and so on. Specifications: Component: Plastic Size: about 18x7.4cm/7.09x2.91'' Type: 4 Kinds Optional Package Includes: 1 Set Retractable Mechanical Erasers with 2 Pcs Refills note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.