To provide an ecological bag also used as a disaster hood which solves the problem that recently more and more people have their own ecological bags in order to prevent environmental destruction, against plastic bags of supermarkets or the like which are made from a petroleum-based material, but the ecological bag is not applicable to another purpose other than a carry bag.

An ecological bag employs urethane foam for reinforcing the ecological bag and absorbing shock to improve a conventional ecological bag being a user's own shopping bag, and used as a carry bag for carrying a merchandise product or small article.