Features: Neat And Clever Design:After erasing open the cover to the roller and clean up those messy eraser shavings by rolling it over the paper. Perfect Gift Or Reward: As a gift a party favor a reward for good work or a prize in a game these erasers will make any child smile. Quality Material: Made of rubber and plastic. The rubber is made of resin soft material which has strong elasticity and is not easy to crack. Enough to meet your daily use and replacement needs you can use it at home or office. Wipe Clean: The eraser does not leave a lot of debris when wiping clean and fresh and the soft material does not hurt the paper. Push to move out the core can be carried around. After-sale Service: If you have any questions about our degradable pet waste bag you are welcome to contact us at any time our team will serve you wholeheartedly. Specification: Material:Rubber Size:28*17*93mm includes: 4pcsErasers