Easy callus care, just by wearing it. This is for two uses. *The third and subsequent images show the usage instructions, the manufacturer, and the foot size compatibility. The box is damaged, so it will not be included. If you would like the box, please let me know. I will fold it and include it. The shipping method (Rakuraku Mercari Bin ⇄ Yuuyu Mercari Bin) may be changed without notice. Please understand. No pets or smokers. Thank you.