To provide a two-stage basket permitting infrequently used things such as a change of clothes to be enclosed in a lower stage box and frequently used small articles such as cosmetics and food and drink such as a box lunch to be enclosed in an upper stage basket.

A basket 2 composed of expansive mesh and waterproof cloth 7 is attached to a cover 5 of a lower stage storage box 1, and the cover 5 of the box 1 is used as the bottom of the basket 2. The basket 2 and the box 1 are therefore integrated through the cover 5 and placed on a carrier to go out. The box 1 is covered with waterproof cloth 14, so that a user can go out with a sense of security even on a rainy day.