Breathing Exercise Device: Challenge Ball / Inspiron Breathing Exercise Device * This item has been in storage. Retail Price: 3,800 yen I am not familiar with the details, so please make your judgment based on the images. I look forward to your purchase if you understand. Please be sure to read my profile. The item will be shipped without the box. It will be shipped via regular mail, so it may take some time to arrive. Please be aware of this. There will be no tracking number. To reduce waste, recycled materials will be used for packaging. Thank you for your cooperation and understanding. Thank you for your interest.