Premium 3.2″ Thick Japanese Floor Mattress – Twin Size 39″X80″ – 100% High-Density Foam,Foldable Futon Mattress,Comfortable Tatami Mat for Dorm,Bedroom,Or Guest Room(Black). 【Versatile Uses】 This is a multifunctional futon – from bedroom/dorm futon to living room recliner, from traditional tatami to portable floor mat.