Creates a steam pocket to cook perfect delicious spuds in just a few moments. Perfect for all types of potatoes as well as corns breads tortillas and more. It's absolute ease and genius. The express bag creates an instant steam pocket and cooks perfect potatoes in the microwave in only 4 minutes. It's machine washable too - so your life has become more easier than it should. Give it a go and see why the super express pocket is so magical. Holds up to 4 regular size potatoes.