Excellent item that protects feet from dirt in the rain. Those who have trouble with rain sandals without them. If you have this one, you can simply attach it to your existing sandals. It has a fine nibbed on the bottom to prevent slipping. Folds into a compact size and comes with a convenient carrying case. You can rest assured when going out on rainy days when you were too gloomy. However, since your feet are bad, we recommend that you have a replacement tabi bag when going out on rainy days. Size: M size fits sandals, approx. 9.1 - 9.3 inches (23 - 23.5 cm). [How to use] Put the zori sandals inside, wrap the strings on both ends from the bottom of the nose straps up and fasten the hooks on the outside of the cover. Do not put it in the sandal case or shoe box with the cover attached to the sandals. Quality: 100% vinyl chloride