Abstract: The present invention provides a storage bag that includes a string for closing an openable and closeable opening portion. The storage bag is fun in that contours and expressions of animals or human figures drawn on a bag body change. Ear portions 3, which resemble those of a human figure or an animal, project from both sides of an opening edge of the bag body 2, and a string 1 is disposed in the bag body 2 except for the ear portions 3. The storagebagisconfiguredso that the earportions 3 rise up when the string 1 is pulled and the opening is closed.