1pc Electric Eraser, Portable Rubber Electric Eraser Pen with 10 Eraser Refills (Blue)-1pc Electric Eraser, Portable Rubber Electric Eraser Pen with 10 Eraser Refills (Blue)-Nice combination: 1 battery powered eraser pen and 10 eraser refills in each package, enough refills for your daily use and replacement needs Easy to use: The blue electric eraser is designed with round buttons. After the refill is installed, it can be controlled with one button, which is simple and convenient, and brings you a wonderful experience. Dimensions of the electric rubber approx: 12.8 x 6 cm, The nib and eraser refill measure approximately 2.5mm in diameter Wide range of use: The battery powered eraser can be used in your home, office, school and many other occasions to erase the marks you want to clean while studying, sketching, writing and more Reliable and trustworthy: The refill of the mechanical pencil eraser is made of rubber, and the artist electric eraser is made of high-quality plastic, which is sturdy and durable, not easy to deform or break after long-term use