Use some of your favorite fabrics to design your very own stylish oven mitts using the Hot Stuff Oven Mitt Pattern. Included with the pattern you get one silicone overlay, but you can purchase more here. The silicone overlay is made using 100% food grade silicone and can withstand heat up to 450 degrees. Directions and a suggested materials list is printed on the back of the Hot Stuff Oven Mitt Pattern.