This product is a protective shoe cover, the main material is PVC, which is safe and durable, with excellent waterproof and anti-dirt effect. It is mainly suitable for various outdoor activities, such as cycling , fishing, etc. This is a very simple and practical protective shoe cover, easy to wear, easy to use and well suited for your needs. Size (M): about 28.00X11.20X40.00cm /11.00X4.40X15.72 inches Size (L): about 30.00X11.20X40.00cm/11.79X4.40X15.72 inches Size (XL): about 32.00X11 .20X40.00cm/12.58X4.40X15.72 inch It is made of safe and durable PVC material with excellent water resistance. Thickened design, more safe and durable , at your service. An extra layer of waterproofing is added to the inside of the shoe cover to prevent water from entering. The foot of the shoe cover is designed with a buckle that is not easy to fall off. The rubber sole has anti-slip lines to prevent you from slipping on flat roads.