Microwave Baked Potato Cooker - Bake A Potato Express Baked Potato Microwave Bag Make your delicious baked potatoes right in your microwave You can also use them to warm up your tortillas or day old bread Its perfect for all types of potatoes; red, white, sweet, or yams Its washable and reusable. Bag dimensions are 9x10 inches Its very easy to use. Just add potatoes to bag, microwave and enjoy the results