Green Giant® Sliced Mushrooms. Picked at the peak of perfection®. Exchanges: 1 Vegetable. Questions or Comments Call: 1-800-998-9996 Mon - Fri 7:30 a.m. - 5:30 p.m. CT (Please refer to code numbers on lid). See how we lock in freshness at: www.greengiant.com. © 2011 General Mills.