Now you can cook perfect potatoes quickly and easily in the microwave! Insert up to 4 potatoes into the Potato Express™ bag which creates a special steam pocket to cook perfect potatoes in the microwave– in just 4 minutes! Cooks all types of potatoes– white, red, yams and more. Cuts prep time for baked potatoes, mashed potatoes, potato salad and other great potato dishes! Bonus recipe guide included. Washable & reusable. 10"L x 7 1/2"W.