Abstract: The present invention provides a bag and a container for collecting a recyclable garbage that is a plastic bag or container, wherein an opening having an opening base part is formed at an inlet of the bag or on one side of the container, a cover member that is positioned at the inner side of the opening has an area larger than that of the opening and has a biasing unit toward the opening is provided, and the cover member opens inwardly, but stops at the opening in the outward direction.