These are swim diapers. M size...2 sheets BIG size...2 sheets These are several sheets that I purchased recently but did not use. They are unused, but the package has been opened, and they have been handled by a non-professional. Please understand. ⚠️ They will be sent via Yu-Packet Post with simple packaging. I believe there may be oversights or differences in perception, so please be sure to check the photos above and purchase only if you are satisfied. If you would like to see any areas in close-up, have any concerns, or have any questions, please comment to prevent any issues. ※ The color of the product may differ slightly depending on the device and room lighting. ※ Recycled materials may be used for packaging. Kids Pool Swimming Boys Infant Childcare Goods Convenient Goods