Potato bags are all the rage and the Warm and Natural company has the right batting for all your microwave and kitchen projects! Warm Tater batting is 100% natural cotton that hasn't been chemically treated, mailing it ideal for cooking potatoes, corn, rolls, and warms tortillas in the microwave. Warm Tater is heavy weight and acts as in insulator, keeping moisture inside for fresh, hot, steamy potatoes. 22" wide.