Japanese Floor Mattress, Futon Mattress with Portable Storage Bag and Washable Cover, Roll up Thick Tatami Mat Suitable for Camping, Guest Room (Bohemian Green, Twin). Variety of Uses: The floor mattress can be used as a futon in the bedroom, a living room futon, a tatami mat, a floor mattress, a sleeping floor mat, a tent mat, a guest mattress, or a Japanese bed mat.