... 2 SIize:Averange size 3.Easy on and off Anti-slip silicone rubber rain shoes What is silicone rubber ? ... 900ctns40HQ: about 1080ctns Product TypeRubber Shoe cover, silicone overshoes,anti slip protector,shoes protector,China shoe, brand shoe.MaterialMade of ... silicone rubber, very softAnti slip bottomnew design anti slip bottomUsagewalking on ice,snow,wet grass,mud, etc. ...