Brand New Full Size Yellow Traditional Japanese Floor Futon Mattresses, Foldable Cushion Mats, Yoga, Meditaion 54" Wide X 80" Long Brand new floor futon mattress, made in USA. Full Size Bed sized 3" thick x 54" wide x 80" long. Mattress filled with white cotton, comforting fiber and resilient foam. Cover material is made of 100% polyester. Color: Yellow.