This traditional Japanese futon mattress is filled with cotton batting, fiber batting and comfort foam, it is 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 camping, travel, 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, family room, exercise room, patio, studio, dormitory, mobile home, van, truck, minivan, massage studios and also bring it with you in your car when going to anywhere. Proudly made in USA. Color: Gray. Dimensions: RV Full Size 3 in thick x 48 in wide x 74in long.Cover fabric material: 100% polyester. The cover on the mattress is fixed, it is not removed for washing.Mattress Materials: All material fillings are bought from manufactures located in California state. The mattress is filled with white cotton batting, fiber batting and comfort foam. These futon mattresses meet flame retardant requirements by laws. Caring instructions: Only spot cleaned with a damp cloth, then drying the mattress by placing it outside on the sunny day or airing naturally (do not iron to avoid burning the fabric). The outside cover is fixed, it is not removable for washing. You may use any large mattress cover sheet to put all over the mattress for keeping it from getting dirty.