Indoor Ladies Heel Slippers Color: Black Material: Polyester, Spandex Size: Free Size. Actual size is approximately 23.5cm, so it is recommended for those who wear a 23.0cm size. Heel height: Approximately 4cm Features: These slippers look much more stylish than your usual slippers. They are lightweight and won't tire your feet. Also, the 4cm heel makes your posture look more beautiful. The elegance emanating from your feet can be used in any situation. They are suitable for school events such as school visits and parent-teacher conferences, as well as for entrance exams, and also for use in esthetic salons. Condition: Unused, new