This FULI trifold twin XL-size mattress futon with medium firmness is the perfect Japanese mattress. This Japanese traditional-style bedding is foldable/rollable, lightweight, and can be put away quickly. This makes more space for the room to be used for other purposes. Japanese people traditionally use tatami with a futon mattress or shikibuton. Tatami mats provide a softer, more comfortable base for a Japanese mattress. This Japanese bed mattress goes by many namesfolding bed, portable floor mattress, folding mattress, Japanese sleeping mat, etc. This unique, minimalist approach to sleeping offers a wide range of function and style. Japanese people tend to choose these floor beds as they help keep good sleeping posture, especially when combined with a tatami mat. Laying on a futon bed like a floor lounger, Japanese adults know the importance of just resting and relaxing their back. It's the perfect way to enjoy a movie or book on a lazy Sunday afternoon!