I believe the sizes are around 19-21 and 19-24. The black ones have been worn a few times, and the gray ones are unused. If you are using the app, please tap the following to easily search my listings. #daizu'sItems #daizu'sItems150 #daizu'sItems140 #daizu'sSocks Kids socks with a black and white striped design. - Color: Black and white stripes - Size: Kids size - Design: Striped design Thank you for looking.