This traditional Japanese futon mattress is made of cotton batting and able to be rolled up to keep in closet and rolled out right on the floor to sleep on. This makes for an efficient use of living space and storage, easily to move. This 3" thickness futon mat is an ideal to sleep on floor. Moreover, it can be used in multi purposes such as for picnics, visitors, children playing games, taking a rest, massage, yoga, exercise .... You can use this Japanese futon mattress in any efficient places, such as guest room, living room, exercise room, patio, studio, dormitory, mobile house, massage studios and also bring it with you in your car when going to anywhere.