Navy Fern WonderbagDesigned and handmade in South Africa. When you purchase an award winning Wonderbag, you invest in yourself, the environment, and communities around the world. The Wonderbag is a revolutionary non electric heat retention slow cooker. Once food is brought to a boil, place the pan in the Wonderbag to continue cooking for up to 8 hours with no plug, fuel or battery required. Money saving and planet loving, the Wonderbag is proven to cut energy