The yellowed areas are due to sun exposure. There are many shoes, so these were used infrequently and have already been cleaned. I wrote my name on them because they were used at daycare. Please do not purchase if you are not okay with this. Size: 13.5cm Please check the photos and size before purchasing, as they have already been cleaned. There may be some minor scratches, so please understand that these are used items. Thank you for looking. Returns are not accepted, so please confirm and understand before purchasing. Please refrain from purchasing if you are concerned about minor details. Please purchase only if you accept that these are items stored at home.