IRIS PLAZA Futon Mattress, Extra Thick 12cm, "Uses Teijin Mighty Top II ad ECO filling," Antibacterial and Odor-Resistant, Anti-mite, Sweat-Absorbent, Quick-Drying, Voluminous Three-Layer Futon Mattress, Single, Three-layer filling structure, 80mm hard wadding, Distributes Body Pressure, No Bottoming Out, Filling Does Not Shift, Peach Skin Processing ‐ Mercari: Shop from Japan