Both sides wheel / suitcase

A suitcase with a wheel conveniently helps outdoor movement in travel and business trip.
However, there is inconvenience to wipe out or carrying on the wheel since the floor becomes dirty due to dusts and soils adhered to the surface of wheel when coming to home.
The suitcase is designed to use the double cover upset of the wheel in order to solve this problem.
A simple use is permitted by pressing the side of wheel for simple use.