Fresh frozen vegetables. All natural. No preservatives. Perfectly cooks in the bag! Please call us with comments at 1-800-563-1786 M-F 8:00 am-5:00 pm EST. Please send proof of purchase, along with any correspondence relating to this product, to: Birds Eye Foods, Inc., Consumer Relations, PO Box 20382, Rochester, NY 14602-0382. Visit www.birdseyesteamfresh.com for exciting offers and more information. SteamFast: the perfect microwave cooking system.