In addition to erasing writing errors, HMM Eraser Ball also has diverse functions. The gaps can be used as business card holder. Each individual part can be used as a pen holder, and the center of gravity has been carefully calculated, so that the individual parts can spin steadily and will not tip over; when the pencils are placed in a bucket upside-down, the individual parts of HMM Eraser Ball resemble blossoming flowers.

The round edge of the individual parts allows precise erasing, and the material is also eco-friendly and contains no plasticizer or PVC, making it safer and healthier to meet the values of environmental protection and sustainability.