JL Future Potato Express Microwave Bag Cooker, Red Holds up to 4 large potatoes, perfect potatoes in just 4 minutes Cooks all types of potatoes - white, red, yams and more Shell fabric 100% polyester, lining 85% polyester/15% cotton, polyfill 1000% polyester Machine washable and reusable Also use for corn on the cob, day-old bread, tortillas and more