This is a set of 5 pairs of children's socks purchased from SHEIN. I measured from the toe to the heel with a measuring tape, and they were approximately 15cm. I accidentally bought a size too small for my child, so I am selling the unused ones. The fabric is moderately thick and seems comfortable to wear. *Although unused, please purchase only if you understand that these are items stored at home. * We do not offer discounts from the listed price. Please understand. (＞人＜;) * To prevent any problems, please ask any questions regarding tags or product quality in the comments before purchasing! * Shipping will be via Yu-Yu Mercari Bin or Kurakura Mercari Bin (either one may be used). They will be folded and compressed as much as possible for shipping. Please understand.