Due to the food-grade silicone material, Protect your hands from extreme heat up to 428 F. The outer sides of the mitt maybe a little thin. When using the oven mitts to take out cookie sheets, putting two mitts, on one hand, is recommended. (More suitable for ladies' hands). The mini oven mitt is designed to protect the fingers from the heat, 428 F highest. It is not as big as a glove and just can cover the fingers. The heaters inside the oven, where the temperature could be higher than 428 F, are beyond the limit of the highest temperature of the mitt. Please use the oven mitts carefully and do not touch the heater by accident, otherwise, the finger may be hurt. The pinch oven mitts are small and light and can be stored easily and hung on wherever you like in your kitchen with built-in holes. Heat Resistant and Cold-resistant, protecting you from hot pots, plates and bowls also freezing. Help you enjoy a wonderful cooking time