To provide a roller case which facilitates work of storage and taking-out, and which can surely prevent deformation, damage and dirt of a roller body when mounting on a device during storage and taking-out.SOLUTION: A roller storage state is held by engagement of a first case body 11 and a second case body 12. In a roller storage state, a locking part 6 on one end side of a roller support shaft 3 is exposed via a first opening 35 and a second opening 35 on the one end side of the first case body 11 and the second case body 12 and is engageable with a shaft engagement part 41 on a device 40 side. A locking part on the other end side of the roller support shaft 3 is exposed via a first opening and a second opening on the other end side of the first case body...