Please specify your desired size: 12-14cm with non-slip grip 14-16cm with non-slip grip 16-18cm 18-20cm 20-22 cm ★★Product Details★★ Cotton, polyester, polyurethane. * Non-slip grips are only available for sizes 12-14cm and 14-16cm. * Returns and exchanges are not accepted for hygiene reasons. Thank you for your understanding. * The height (length from the opening to the heel) may vary depending on the color, even within the same size.