Our Service 30 days free replacement and lifetime technical consultation. Highlights of the Shoes Cover ?1.100% waterproof and dustproof,keep your shoes dry at all times. ?2.Convenient Wearing?lastic belt design at the top and around the ankle,prevents the shoe cover from sliding down during walking. ?3.Non-slip and Safety Reflector?ensure your safety. ?4.Reusable and Foldable. ?5.Suitable for any scene that you want to keep your shoes and Boots dry. Shoes Cover Size M:Sole Length of shoes cover 11.22 IN L:Sole Length of shoes cover 11.81 IN XL:Sole Length of shoes cover 12.60 IN XXL:Sole Length of shoes cover 13.40 IN NOTE: Since this product is fitted over shoes,we advise you to choose the size of shoe cover longer than your usual shoe sole length 0.5-0.8 inch.