SIZE - 10.8cm*5cm/4.25*2 inch,Package included:4 x Shoe Grippers(2 Pair) .MATERIAL - Made of rubber,Color:Black,light weight,wear comfortable and easy to carry. .ONE SIZE FIT MOST SHOE SIZE - Hard plastic into a super flexible rubber strap band,more flexible,suitable for different shoe size and fit most foot wear:sneakers,boots,casual and dress shoes. .EASY TO WEAR - Easy to take on and off.Simple stick the toe of your shoe in the front loop and grab the strap on the back and stretch it over your shoe's heel. .MULTIFUNCTION - easy on/off to fit boots,sneakers,casual and dress shoes Great for ice fishing,hunting,walking,jogging,hiking,running,snow shoveling,etc. .