Description: The anti-slip shoe covers overshoes greatly helps to avoid those treacherous slippery conditions. Rustproof spikes under the ball and heel of your foot provide excellent grip on slick surfaces which makes it easier to walk on slippery ice or snow ground. It is really a wonderful anti-slip overshoes for choice. Weight: Small: 0.19lb; Medium: 0.28lb; Large: 0.35lb; X-Large: 0.46lb Size: Small---5.1*7.3 inch (US WOMEN:5-7/ US MEN:3-5);For Children Medium--- 5.7*8.5 inch (US WOMEN:7-10/ US MEN:5-8); Large--- 5.8*9 inch (US WOMEN:10-13/ US MEN:8-11); X-Large---6.3*10.2 inch (US WOMEN:13-16/ US MEN:11-14). How to use: 1. Carefully fasten the grabbers to your shoes, starting with the large sizes are required if wearing over winter footware. 2. We suggest that the grabbers are used only on snow or ice to prevent wear to the studs. 3. Always clean the grabbers with a dry cloth after using. Store the grabbers in a cool and dry place, out of direct sunlight